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Finding the Fourth Proportional to 159,101.59, 238,718.47 and 64,398.72

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Solution

The fourth proportional to 159,101.59, 238,718.47 and 64,398.72 is: 96,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,101.59 : 238,718.47 = 64,398.72 : x
  2. Step 2: Convert to fraction form
    159,101.59/238,718.47 = 64,398.72/x
  3. Step 3: Cross multiply
    159,101.59x = 238,718.47 × 64,398.72
  4. Step 4: Simplify right side
    159,101.59x = 15,373,163,908.36
  5. Step 5: Solve for x
    x = 15,373,163,908.36/159,101.59
  6. Step 6: Final answer
    x = 96,624.83

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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.