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Finding the Fourth Proportional to 171,051.90, 256,553.55 and 58,737.30

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Solution

The fourth proportional to 171,051.90, 256,553.55 and 58,737.30 is: 88,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,051.90 : 256,553.55 = 58,737.30 : x
  2. Step 2: Convert to fraction form
    171,051.90/256,553.55 = 58,737.30/x
  3. Step 3: Cross multiply
    171,051.90x = 256,553.55 × 58,737.30
  4. Step 4: Simplify right side
    171,051.90x = 15,069,262,832.42
  5. Step 5: Solve for x
    x = 15,069,262,832.42/171,051.90
  6. Step 6: Final answer
    x = 88,097.61

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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.