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Finding the Fourth Proportional to 88,687.76, 133,053.51 and 26,358.26

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Solution

The fourth proportional to 88,687.76, 133,053.51 and 26,358.26 is: 39,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.76 : 133,053.51 = 26,358.26 : x
  2. Step 2: Convert to fraction form
    88,687.76/133,053.51 = 26,358.26/x
  3. Step 3: Cross multiply
    88,687.76x = 133,053.51 × 26,358.26
  4. Step 4: Simplify right side
    88,687.76x = 3,507,059,010.49
  5. Step 5: Solve for x
    x = 3,507,059,010.49/88,687.76
  6. Step 6: Final answer
    x = 39,543.89

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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.