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Finding the Fourth Proportional to 61,499.80, 92,252.13 and 17,130.43

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Solution

The fourth proportional to 61,499.80, 92,252.13 and 17,130.43 is: 25,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,499.80 : 92,252.13 = 17,130.43 : x
  2. Step 2: Convert to fraction form
    61,499.80/92,252.13 = 17,130.43/x
  3. Step 3: Cross multiply
    61,499.80x = 92,252.13 × 17,130.43
  4. Step 4: Simplify right side
    61,499.80x = 1,580,318,569.66
  5. Step 5: Solve for x
    x = 1,580,318,569.66/61,499.80
  6. Step 6: Final answer
    x = 25,696.32

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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.