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Finding the Fourth Proportional to 102,508.63, 153,773.87 and 43,350.28

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Solution

The fourth proportional to 102,508.63, 153,773.87 and 43,350.28 is: 65,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,508.63 : 153,773.87 = 43,350.28 : x
  2. Step 2: Convert to fraction form
    102,508.63/153,773.87 = 43,350.28/x
  3. Step 3: Cross multiply
    102,508.63x = 153,773.87 × 43,350.28
  4. Step 4: Simplify right side
    102,508.63x = 6,666,140,321.18
  5. Step 5: Solve for x
    x = 6,666,140,321.18/102,508.63
  6. Step 6: Final answer
    x = 65,030.04

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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.