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Finding the Fourth Proportional to 110,956.50, 153,123.75 and 60,658.74

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Solution

The fourth proportional to 110,956.50, 153,123.75 and 60,658.74 is: 83,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,956.50 : 153,123.75 = 60,658.74 : x
  2. Step 2: Convert to fraction form
    110,956.50/153,123.75 = 60,658.74/x
  3. Step 3: Cross multiply
    110,956.50x = 153,123.75 × 60,658.74
  4. Step 4: Simplify right side
    110,956.50x = 9,288,293,739.08
  5. Step 5: Solve for x
    x = 9,288,293,739.08/110,956.50
  6. Step 6: Final answer
    x = 83,711.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.