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Finding the Fourth Proportional to 125,474.48, 188,045.57 and 92,037.98

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Solution

The fourth proportional to 125,474.48, 188,045.57 and 92,037.98 is: 137,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,474.48 : 188,045.57 = 92,037.98 : x
  2. Step 2: Convert to fraction form
    125,474.48/188,045.57 = 92,037.98/x
  3. Step 3: Cross multiply
    125,474.48x = 188,045.57 × 92,037.98
  4. Step 4: Simplify right side
    125,474.48x = 17,307,335,110.96
  5. Step 5: Solve for x
    x = 17,307,335,110.96/125,474.48
  6. Step 6: Final answer
    x = 137,935.11

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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.