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Finding the Fourth Proportional to 61,841.81, 92,760.89 and 53,497.19

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Solution

The fourth proportional to 61,841.81, 92,760.89 and 53,497.19 is: 80,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,841.81 : 92,760.89 = 53,497.19 : x
  2. Step 2: Convert to fraction form
    61,841.81/92,760.89 = 53,497.19/x
  3. Step 3: Cross multiply
    61,841.81x = 92,760.89 × 53,497.19
  4. Step 4: Simplify right side
    61,841.81x = 4,962,446,225.61
  5. Step 5: Solve for x
    x = 4,962,446,225.61/61,841.81
  6. Step 6: Final answer
    x = 80,244.20

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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.