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Finding the Fourth Proportional to 159,814.61, 239,659.26 and 59,920.34

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Solution

The fourth proportional to 159,814.61, 239,659.26 and 59,920.34 is: 89,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,814.61 : 239,659.26 = 59,920.34 : x
  2. Step 2: Convert to fraction form
    159,814.61/239,659.26 = 59,920.34/x
  3. Step 3: Cross multiply
    159,814.61x = 239,659.26 × 59,920.34
  4. Step 4: Simplify right side
    159,814.61x = 14,360,464,343.35
  5. Step 5: Solve for x
    x = 14,360,464,343.35/159,814.61
  6. Step 6: Final answer
    x = 89,857.02

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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.