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Finding the Fourth Proportional to 62,061.64, 92,390.57 and 61,692.64

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Solution

The fourth proportional to 62,061.64, 92,390.57 and 61,692.64 is: 91,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,061.64 : 92,390.57 = 61,692.64 : x
  2. Step 2: Convert to fraction form
    62,061.64/92,390.57 = 61,692.64/x
  3. Step 3: Cross multiply
    62,061.64x = 92,390.57 × 61,692.64
  4. Step 4: Simplify right side
    62,061.64x = 5,699,818,174.40
  5. Step 5: Solve for x
    x = 5,699,818,174.40/62,061.64
  6. Step 6: Final answer
    x = 91,841.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.