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Finding the Fourth Proportional to 239,322.92, 359,050.89 and 104,398.79

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Solution

The fourth proportional to 239,322.92, 359,050.89 and 104,398.79 is: 156,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,322.92 : 359,050.89 = 104,398.79 : x
  2. Step 2: Convert to fraction form
    239,322.92/359,050.89 = 104,398.79/x
  3. Step 3: Cross multiply
    239,322.92x = 359,050.89 × 104,398.79
  4. Step 4: Simplify right side
    239,322.92x = 37,484,477,060.66
  5. Step 5: Solve for x
    x = 37,484,477,060.66/239,322.92
  6. Step 6: Final answer
    x = 156,627.20

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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.