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Finding the Fourth Proportional to 172,684.77, 258,548.87 and 88,263.14

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Solution

The fourth proportional to 172,684.77, 258,548.87 and 88,263.14 is: 132,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,684.77 : 258,548.87 = 88,263.14 : x
  2. Step 2: Convert to fraction form
    172,684.77/258,548.87 = 88,263.14/x
  3. Step 3: Cross multiply
    172,684.77x = 258,548.87 × 88,263.14
  4. Step 4: Simplify right side
    172,684.77x = 22,820,333,375.59
  5. Step 5: Solve for x
    x = 22,820,333,375.59/172,684.77
  6. Step 6: Final answer
    x = 132,150.24

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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.