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Finding the Fourth Proportional to 108,814.80, 150,159.96 and 63,495.30

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Solution

The fourth proportional to 108,814.80, 150,159.96 and 63,495.30 is: 87,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,814.80 : 150,159.96 = 63,495.30 : x
  2. Step 2: Convert to fraction form
    108,814.80/150,159.96 = 63,495.30/x
  3. Step 3: Cross multiply
    108,814.80x = 150,159.96 × 63,495.30
  4. Step 4: Simplify right side
    108,814.80x = 9,534,451,708.19
  5. Step 5: Solve for x
    x = 9,534,451,708.19/108,814.80
  6. Step 6: Final answer
    x = 87,620.91

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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.