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Finding the Fourth Proportional to 61,732.50, 92,721.76 and 58,250.92

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Solution

The fourth proportional to 61,732.50, 92,721.76 and 58,250.92 is: 87,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,732.50 : 92,721.76 = 58,250.92 : x
  2. Step 2: Convert to fraction form
    61,732.50/92,721.76 = 58,250.92/x
  3. Step 3: Cross multiply
    61,732.50x = 92,721.76 × 58,250.92
  4. Step 4: Simplify right side
    61,732.50x = 5,401,127,824.02
  5. Step 5: Solve for x
    x = 5,401,127,824.02/61,732.50
  6. Step 6: Final answer
    x = 87,492.45

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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.