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Finding the Fourth Proportional to 159,347.42, 239,046.84 and 64,583.49

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Solution

The fourth proportional to 159,347.42, 239,046.84 and 64,583.49 is: 96,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,347.42 : 239,046.84 = 64,583.49 : x
  2. Step 2: Convert to fraction form
    159,347.42/239,046.84 = 64,583.49/x
  3. Step 3: Cross multiply
    159,347.42x = 239,046.84 × 64,583.49
  4. Step 4: Simplify right side
    159,347.42x = 15,438,479,200.67
  5. Step 5: Solve for x
    x = 15,438,479,200.67/159,347.42
  6. Step 6: Final answer
    x = 96,885.66

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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.