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Finding the Fourth Proportional to 202,869.20, 304,332.60 and 62,613.20

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Solution

The fourth proportional to 202,869.20, 304,332.60 and 62,613.20 is: 93,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,869.20 : 304,332.60 = 62,613.20 : x
  2. Step 2: Convert to fraction form
    202,869.20/304,332.60 = 62,613.20/x
  3. Step 3: Cross multiply
    202,869.20x = 304,332.60 × 62,613.20
  4. Step 4: Simplify right side
    202,869.20x = 19,055,237,950.32
  5. Step 5: Solve for x
    x = 19,055,237,950.32/202,869.20
  6. Step 6: Final answer
    x = 93,928.69

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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.