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Finding the Fourth Proportional to 61,701.80, 92,498.70 and 41,916.20

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Solution

The fourth proportional to 61,701.80, 92,498.70 and 41,916.20 is: 62,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,701.80 : 92,498.70 = 41,916.20 : x
  2. Step 2: Convert to fraction form
    61,701.80/92,498.70 = 41,916.20/x
  3. Step 3: Cross multiply
    61,701.80x = 92,498.70 × 41,916.20
  4. Step 4: Simplify right side
    61,701.80x = 3,877,194,008.94
  5. Step 5: Solve for x
    x = 3,877,194,008.94/61,701.80
  6. Step 6: Final answer
    x = 62,837.62

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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.