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Finding the Fourth Proportional to 325,102.80, 487,605 and 88,463.94

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Solution

The fourth proportional to 325,102.80, 487,605 and 88,463.94 is: 132,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,102.80 : 487,605 = 88,463.94 : x
  2. Step 2: Convert to fraction form
    325,102.80/487,605 = 88,463.94/x
  3. Step 3: Cross multiply
    325,102.80x = 487,605 × 88,463.94
  4. Step 4: Simplify right side
    325,102.80x = 43,135,459,463.70
  5. Step 5: Solve for x
    x = 43,135,459,463.70/325,102.80
  6. Step 6: Final answer
    x = 132,682.52

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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.