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Finding the Fourth Proportional to 239,713.90, 359,477.39 and 89,872.54

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Solution

The fourth proportional to 239,713.90, 359,477.39 and 89,872.54 is: 134,773.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,713.90 : 359,477.39 = 89,872.54 : x
  2. Step 2: Convert to fraction form
    239,713.90/359,477.39 = 89,872.54/x
  3. Step 3: Cross multiply
    239,713.90x = 359,477.39 × 89,872.54
  4. Step 4: Simplify right side
    239,713.90x = 32,307,145,437.86
  5. Step 5: Solve for x
    x = 32,307,145,437.86/239,713.90
  6. Step 6: Final answer
    x = 134,773.77

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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.