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Finding the Fourth Proportional to 372,245.04, 558,360.36 and 106,007.28

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Solution

The fourth proportional to 372,245.04, 558,360.36 and 106,007.28 is: 159,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,245.04 : 558,360.36 = 106,007.28 : x
  2. Step 2: Convert to fraction form
    372,245.04/558,360.36 = 106,007.28/x
  3. Step 3: Cross multiply
    372,245.04x = 558,360.36 × 106,007.28
  4. Step 4: Simplify right side
    372,245.04x = 59,190,263,023.42
  5. Step 5: Solve for x
    x = 59,190,263,023.42/372,245.04
  6. Step 6: Final answer
    x = 159,008.87

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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.