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Finding the Fourth Proportional to 159,717.76, 239,560.70 and 64,953.53

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Solution

The fourth proportional to 159,717.76, 239,560.70 and 64,953.53 is: 97,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,717.76 : 239,560.70 = 64,953.53 : x
  2. Step 2: Convert to fraction form
    159,717.76/239,560.70 = 64,953.53/x
  3. Step 3: Cross multiply
    159,717.76x = 239,560.70 × 64,953.53
  4. Step 4: Simplify right side
    159,717.76x = 15,560,313,114.27
  5. Step 5: Solve for x
    x = 15,560,313,114.27/159,717.76
  6. Step 6: Final answer
    x = 97,423.81

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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.