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Finding the Fourth Proportional to 239,687.54, 359,565.87 and 73,488.50

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Solution

The fourth proportional to 239,687.54, 359,565.87 and 73,488.50 is: 110,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,687.54 : 359,565.87 = 73,488.50 : x
  2. Step 2: Convert to fraction form
    239,687.54/359,565.87 = 73,488.50/x
  3. Step 3: Cross multiply
    239,687.54x = 359,565.87 × 73,488.50
  4. Step 4: Simplify right side
    239,687.54x = 26,423,956,437.50
  5. Step 5: Solve for x
    x = 26,423,956,437.50/239,687.54
  6. Step 6: Final answer
    x = 110,243.35

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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.