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Finding the Fourth Proportional to 353,780.16, 530,753.25 and 101,064.27

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Solution

The fourth proportional to 353,780.16, 530,753.25 and 101,064.27 is: 151,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,780.16 : 530,753.25 = 101,064.27 : x
  2. Step 2: Convert to fraction form
    353,780.16/530,753.25 = 101,064.27/x
  3. Step 3: Cross multiply
    353,780.16x = 530,753.25 × 101,064.27
  4. Step 4: Simplify right side
    353,780.16x = 53,640,189,761.38
  5. Step 5: Solve for x
    x = 53,640,189,761.38/353,780.16
  6. Step 6: Final answer
    x = 151,620.12

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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.