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Finding the Fourth Proportional to 153,729.50, 230,638.86 and 63,755.71

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Solution

The fourth proportional to 153,729.50, 230,638.86 and 63,755.71 is: 95,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,729.50 : 230,638.86 = 63,755.71 : x
  2. Step 2: Convert to fraction form
    153,729.50/230,638.86 = 63,755.71/x
  3. Step 3: Cross multiply
    153,729.50x = 230,638.86 × 63,755.71
  4. Step 4: Simplify right side
    153,729.50x = 14,704,543,696.29
  5. Step 5: Solve for x
    x = 14,704,543,696.29/153,729.50
  6. Step 6: Final answer
    x = 95,652.07

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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.