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Finding the Fourth Proportional to 372,348.19, 558,540.73 and 106,147.91

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Solution

The fourth proportional to 372,348.19, 558,540.73 and 106,147.91 is: 159,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,348.19 : 558,540.73 = 106,147.91 : x
  2. Step 2: Convert to fraction form
    372,348.19/558,540.73 = 106,147.91/x
  3. Step 3: Cross multiply
    372,348.19x = 558,540.73 × 106,147.91
  4. Step 4: Simplify right side
    372,348.19x = 59,287,931,139.37
  5. Step 5: Solve for x
    x = 59,287,931,139.37/372,348.19
  6. Step 6: Final answer
    x = 159,227.13

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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.