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Finding the Fourth Proportional to 159,740.86, 239,541.33 and 59,830.96

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Solution

The fourth proportional to 159,740.86, 239,541.33 and 59,830.96 is: 89,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,740.86 : 239,541.33 = 59,830.96 : x
  2. Step 2: Convert to fraction form
    159,740.86/239,541.33 = 59,830.96/x
  3. Step 3: Cross multiply
    159,740.86x = 239,541.33 × 59,830.96
  4. Step 4: Simplify right side
    159,740.86x = 14,331,987,733.58
  5. Step 5: Solve for x
    x = 14,331,987,733.58/159,740.86
  6. Step 6: Final answer
    x = 89,720.24

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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.