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Finding the Fourth Proportional to 228,429.90, 342,666.45 and 62,217.90

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Solution

The fourth proportional to 228,429.90, 342,666.45 and 62,217.90 is: 93,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,429.90 : 342,666.45 = 62,217.90 : x
  2. Step 2: Convert to fraction form
    228,429.90/342,666.45 = 62,217.90/x
  3. Step 3: Cross multiply
    228,429.90x = 342,666.45 × 62,217.90
  4. Step 4: Simplify right side
    228,429.90x = 21,319,986,919.46
  5. Step 5: Solve for x
    x = 21,319,986,919.46/228,429.90
  6. Step 6: Final answer
    x = 93,332.73

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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.