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Finding the Fourth Proportional to 99,572.60, 149,014.44 and 95,439.17

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Solution

The fourth proportional to 99,572.60, 149,014.44 and 95,439.17 is: 142,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,572.60 : 149,014.44 = 95,439.17 : x
  2. Step 2: Convert to fraction form
    99,572.60/149,014.44 = 95,439.17/x
  3. Step 3: Cross multiply
    99,572.60x = 149,014.44 × 95,439.17
  4. Step 4: Simplify right side
    99,572.60x = 14,221,813,726.54
  5. Step 5: Solve for x
    x = 14,221,813,726.54/99,572.60
  6. Step 6: Final answer
    x = 142,828.59

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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.