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Finding the Fourth Proportional to 170,120,439.60, 255,180,659.40 and 170,120,439.60

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Solution

The fourth proportional to 170,120,439.60, 255,180,659.40 and 170,120,439.60 is: 255,180,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,120,439.60 : 255,180,659.40 = 170,120,439.60 : x
  2. Step 2: Convert to fraction form
    170,120,439.60/255,180,659.40 = 170,120,439.60/x
  3. Step 3: Cross multiply
    170,120,439.60x = 255,180,659.40 × 170,120,439.60
  4. Step 4: Simplify right side
    170,120,439.60x = 43,411,445,954,545,872
  5. Step 5: Solve for x
    x = 43,411,445,954,545,872/170,120,439.60
  6. Step 6: Final answer
    x = 255,180,659.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.