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Finding the Fourth Proportional to 231,152.80, 346,727.28 and 62,672.80

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Solution

The fourth proportional to 231,152.80, 346,727.28 and 62,672.80 is: 94,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,152.80 : 346,727.28 = 62,672.80 : x
  2. Step 2: Convert to fraction form
    231,152.80/346,727.28 = 62,672.80/x
  3. Step 3: Cross multiply
    231,152.80x = 346,727.28 × 62,672.80
  4. Step 4: Simplify right side
    231,152.80x = 21,730,369,473.98
  5. Step 5: Solve for x
    x = 21,730,369,473.98/231,152.80
  6. Step 6: Final answer
    x = 94,008.68

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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.