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Finding the Fourth Proportional to 506,084.90, 759,135.45 and 132,107.90

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Solution

The fourth proportional to 506,084.90, 759,135.45 and 132,107.90 is: 198,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,084.90 : 759,135.45 = 132,107.90 : x
  2. Step 2: Convert to fraction form
    506,084.90/759,135.45 = 132,107.90/x
  3. Step 3: Cross multiply
    506,084.90x = 759,135.45 × 132,107.90
  4. Step 4: Simplify right side
    506,084.90x = 100,287,790,115.06
  5. Step 5: Solve for x
    x = 100,287,790,115.06/506,084.90
  6. Step 6: Final answer
    x = 198,163.96

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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.