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Finding the Fourth Proportional to 76,373.50, 114,644.06 and 60,679.41

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Solution

The fourth proportional to 76,373.50, 114,644.06 and 60,679.41 is: 91,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,373.50 : 114,644.06 = 60,679.41 : x
  2. Step 2: Convert to fraction form
    76,373.50/114,644.06 = 60,679.41/x
  3. Step 3: Cross multiply
    76,373.50x = 114,644.06 × 60,679.41
  4. Step 4: Simplify right side
    76,373.50x = 6,956,533,920.80
  5. Step 5: Solve for x
    x = 6,956,533,920.80/76,373.50
  6. Step 6: Final answer
    x = 91,085.70

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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.