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Finding the Fourth Proportional to 108,488.88, 149,717.44 and 60,752.32

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Solution

The fourth proportional to 108,488.88, 149,717.44 and 60,752.32 is: 83,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,488.88 : 149,717.44 = 60,752.32 : x
  2. Step 2: Convert to fraction form
    108,488.88/149,717.44 = 60,752.32/x
  3. Step 3: Cross multiply
    108,488.88x = 149,717.44 × 60,752.32
  4. Step 4: Simplify right side
    108,488.88x = 9,095,681,824.46
  5. Step 5: Solve for x
    x = 9,095,681,824.46/108,488.88
  6. Step 6: Final answer
    x = 83,839.76

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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.