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Finding the Fourth Proportional to 372,395.88, 558,626.76 and 106,150.68

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Solution

The fourth proportional to 372,395.88, 558,626.76 and 106,150.68 is: 159,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,395.88 : 558,626.76 = 106,150.68 : x
  2. Step 2: Convert to fraction form
    372,395.88/558,626.76 = 106,150.68/x
  3. Step 3: Cross multiply
    372,395.88x = 558,626.76 × 106,150.68
  4. Step 4: Simplify right side
    372,395.88x = 59,298,610,440.20
  5. Step 5: Solve for x
    x = 59,298,610,440.20/372,395.88
  6. Step 6: Final answer
    x = 159,235.41

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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.