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Finding the Fourth Proportional to 372,159.60, 558,172.46 and 98,607.65

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Solution

The fourth proportional to 372,159.60, 558,172.46 and 98,607.65 is: 147,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,159.60 : 558,172.46 = 98,607.65 : x
  2. Step 2: Convert to fraction form
    372,159.60/558,172.46 = 98,607.65/x
  3. Step 3: Cross multiply
    372,159.60x = 558,172.46 × 98,607.65
  4. Step 4: Simplify right side
    372,159.60x = 55,040,074,082.28
  5. Step 5: Solve for x
    x = 55,040,074,082.28/372,159.60
  6. Step 6: Final answer
    x = 147,893.74

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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.