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Finding the Fourth Proportional to 170,032.40, 255,048.60 and 91,300.40

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Solution

The fourth proportional to 170,032.40, 255,048.60 and 91,300.40 is: 136,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,032.40 : 255,048.60 = 91,300.40 : x
  2. Step 2: Convert to fraction form
    170,032.40/255,048.60 = 91,300.40/x
  3. Step 3: Cross multiply
    170,032.40x = 255,048.60 × 91,300.40
  4. Step 4: Simplify right side
    170,032.40x = 23,286,039,199.44
  5. Step 5: Solve for x
    x = 23,286,039,199.44/170,032.40
  6. Step 6: Final answer
    x = 136,950.60

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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.