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Finding the Fourth Proportional to 202,909.68, 304,379.16 and 62,650.16

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Solution

The fourth proportional to 202,909.68, 304,379.16 and 62,650.16 is: 93,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,909.68 : 304,379.16 = 62,650.16 : x
  2. Step 2: Convert to fraction form
    202,909.68/304,379.16 = 62,650.16/x
  3. Step 3: Cross multiply
    202,909.68x = 304,379.16 × 62,650.16
  4. Step 4: Simplify right side
    202,909.68x = 19,069,403,074.67
  5. Step 5: Solve for x
    x = 19,069,403,074.67/202,909.68
  6. Step 6: Final answer
    x = 93,979.76

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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.