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Finding the Fourth Proportional to 149,316.50, 223,863.57 and 65,060.70

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Solution

The fourth proportional to 149,316.50, 223,863.57 and 65,060.70 is: 97,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,316.50 : 223,863.57 = 65,060.70 : x
  2. Step 2: Convert to fraction form
    149,316.50/223,863.57 = 65,060.70/x
  3. Step 3: Cross multiply
    149,316.50x = 223,863.57 × 65,060.70
  4. Step 4: Simplify right side
    149,316.50x = 14,564,720,568.70
  5. Step 5: Solve for x
    x = 14,564,720,568.70/149,316.50
  6. Step 6: Final answer
    x = 97,542.61

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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.