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Finding the Fourth Proportional to 170,280.60, 255,032.10 and 100,296.60

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Solution

The fourth proportional to 170,280.60, 255,032.10 and 100,296.60 is: 150,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,280.60 : 255,032.10 = 100,296.60 : x
  2. Step 2: Convert to fraction form
    170,280.60/255,032.10 = 100,296.60/x
  3. Step 3: Cross multiply
    170,280.60x = 255,032.10 × 100,296.60
  4. Step 4: Simplify right side
    170,280.60x = 25,578,852,520.86
  5. Step 5: Solve for x
    x = 25,578,852,520.86/170,280.60
  6. Step 6: Final answer
    x = 150,215.89

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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.