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Finding the Fourth Proportional to 88,687.88, 133,053.90 and 26,356.68

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Solution

The fourth proportional to 88,687.88, 133,053.90 and 26,356.68 is: 39,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.88 : 133,053.90 = 26,356.68 : x
  2. Step 2: Convert to fraction form
    88,687.88/133,053.90 = 26,356.68/x
  3. Step 3: Cross multiply
    88,687.88x = 133,053.90 × 26,356.68
  4. Step 4: Simplify right side
    88,687.88x = 3,506,859,065.05
  5. Step 5: Solve for x
    x = 3,506,859,065.05/88,687.88
  6. Step 6: Final answer
    x = 39,541.58

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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.