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Finding the Fourth Proportional to 108,642.71, 149,927.27 and 60,248.04

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Solution

The fourth proportional to 108,642.71, 149,927.27 and 60,248.04 is: 83,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,642.71 : 149,927.27 = 60,248.04 : x
  2. Step 2: Convert to fraction form
    108,642.71/149,927.27 = 60,248.04/x
  3. Step 3: Cross multiply
    108,642.71x = 149,927.27 × 60,248.04
  4. Step 4: Simplify right side
    108,642.71x = 9,032,824,160.05
  5. Step 5: Solve for x
    x = 9,032,824,160.05/108,642.71
  6. Step 6: Final answer
    x = 83,142.48

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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.