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Finding the Fourth Proportional to 372,554.70, 558,841.65 and 136,073.58

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Solution

The fourth proportional to 372,554.70, 558,841.65 and 136,073.58 is: 204,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,554.70 : 558,841.65 = 136,073.58 : x
  2. Step 2: Convert to fraction form
    372,554.70/558,841.65 = 136,073.58/x
  3. Step 3: Cross multiply
    372,554.70x = 558,841.65 × 136,073.58
  4. Step 4: Simplify right side
    372,554.70x = 76,043,583,968.61
  5. Step 5: Solve for x
    x = 76,043,583,968.61/372,554.70
  6. Step 6: Final answer
    x = 204,113.88

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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.