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Finding the Fourth Proportional to 372,141.50, 558,396.87 and 147,496.94

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Solution

The fourth proportional to 372,141.50, 558,396.87 and 147,496.94 is: 221,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,141.50 : 558,396.87 = 147,496.94 : x
  2. Step 2: Convert to fraction form
    372,141.50/558,396.87 = 147,496.94/x
  3. Step 3: Cross multiply
    372,141.50x = 558,396.87 × 147,496.94
  4. Step 4: Simplify right side
    372,141.50x = 82,361,829,630.58
  5. Step 5: Solve for x
    x = 82,361,829,630.58/372,141.50
  6. Step 6: Final answer
    x = 221,318.58

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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.