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Finding the Fourth Proportional to 61,835.40, 92,753.10 and 53,716.16

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Solution

The fourth proportional to 61,835.40, 92,753.10 and 53,716.16 is: 80,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,835.40 : 92,753.10 = 53,716.16 : x
  2. Step 2: Convert to fraction form
    61,835.40/92,753.10 = 53,716.16/x
  3. Step 3: Cross multiply
    61,835.40x = 92,753.10 × 53,716.16
  4. Step 4: Simplify right side
    61,835.40x = 4,982,340,591.98
  5. Step 5: Solve for x
    x = 4,982,340,591.98/61,835.40
  6. Step 6: Final answer
    x = 80,574.24

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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.