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Finding the Fourth Proportional to 125,441.92, 188,847.36 and 114,419.52

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Solution

The fourth proportional to 125,441.92, 188,847.36 and 114,419.52 is: 172,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,441.92 : 188,847.36 = 114,419.52 : x
  2. Step 2: Convert to fraction form
    125,441.92/188,847.36 = 114,419.52/x
  3. Step 3: Cross multiply
    125,441.92x = 188,847.36 × 114,419.52
  4. Step 4: Simplify right side
    125,441.92x = 21,607,824,284.47
  5. Step 5: Solve for x
    x = 21,607,824,284.47/125,441.92
  6. Step 6: Final answer
    x = 172,253.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.