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Finding the Fourth Proportional to 185,479.88, 278,239.86 and 59,090.31

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Solution

The fourth proportional to 185,479.88, 278,239.86 and 59,090.31 is: 88,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,479.88 : 278,239.86 = 59,090.31 : x
  2. Step 2: Convert to fraction form
    185,479.88/278,239.86 = 59,090.31/x
  3. Step 3: Cross multiply
    185,479.88x = 278,239.86 × 59,090.31
  4. Step 4: Simplify right side
    185,479.88x = 16,441,279,581.76
  5. Step 5: Solve for x
    x = 16,441,279,581.76/185,479.88
  6. Step 6: Final answer
    x = 88,641.85

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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.