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Finding the Fourth Proportional to 125,891.92, 188,954.52 and 63,606.16

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Solution

The fourth proportional to 125,891.92, 188,954.52 and 63,606.16 is: 95,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,891.92 : 188,954.52 = 63,606.16 : x
  2. Step 2: Convert to fraction form
    125,891.92/188,954.52 = 63,606.16/x
  3. Step 3: Cross multiply
    125,891.92x = 188,954.52 × 63,606.16
  4. Step 4: Simplify right side
    125,891.92x = 12,018,671,431.84
  5. Step 5: Solve for x
    x = 12,018,671,431.84/125,891.92
  6. Step 6: Final answer
    x = 95,468.17

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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.