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Finding the Fourth Proportional to 108,937.88, 150,310.95 and 63,595.28

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Solution

The fourth proportional to 108,937.88, 150,310.95 and 63,595.28 is: 87,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,937.88 : 150,310.95 = 63,595.28 : x
  2. Step 2: Convert to fraction form
    108,937.88/150,310.95 = 63,595.28/x
  3. Step 3: Cross multiply
    108,937.88x = 150,310.95 × 63,595.28
  4. Step 4: Simplify right side
    108,937.88x = 9,559,066,952.32
  5. Step 5: Solve for x
    x = 9,559,066,952.32/108,937.88
  6. Step 6: Final answer
    x = 87,747.87

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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.