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Finding the Fourth Proportional to 88,071.84, 132,127.91 and 38,160.25

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Solution

The fourth proportional to 88,071.84, 132,127.91 and 38,160.25 is: 57,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,071.84 : 132,127.91 = 38,160.25 : x
  2. Step 2: Convert to fraction form
    88,071.84/132,127.91 = 38,160.25/x
  3. Step 3: Cross multiply
    88,071.84x = 132,127.91 × 38,160.25
  4. Step 4: Simplify right side
    88,071.84x = 5,042,033,699.56
  5. Step 5: Solve for x
    x = 5,042,033,699.56/88,071.84
  6. Step 6: Final answer
    x = 57,249.10

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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.