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Finding the Fourth Proportional to 159,423.71, 239,128.65 and 59,584.77

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Solution

The fourth proportional to 159,423.71, 239,128.65 and 59,584.77 is: 89,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,423.71 : 239,128.65 = 59,584.77 : x
  2. Step 2: Convert to fraction form
    159,423.71/239,128.65 = 59,584.77/x
  3. Step 3: Cross multiply
    159,423.71x = 239,128.65 × 59,584.77
  4. Step 4: Simplify right side
    159,423.71x = 14,248,425,610.66
  5. Step 5: Solve for x
    x = 14,248,425,610.66/159,423.71
  6. Step 6: Final answer
    x = 89,374.57

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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.