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Finding the Fourth Proportional to 325,334.70, 487,987.68 and 88,677.36

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Solution

The fourth proportional to 325,334.70, 487,987.68 and 88,677.36 is: 133,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,334.70 : 487,987.68 = 88,677.36 : x
  2. Step 2: Convert to fraction form
    325,334.70/487,987.68 = 88,677.36/x
  3. Step 3: Cross multiply
    325,334.70x = 487,987.68 × 88,677.36
  4. Step 4: Simplify right side
    325,334.70x = 43,273,459,174.92
  5. Step 5: Solve for x
    x = 43,273,459,174.92/325,334.70
  6. Step 6: Final answer
    x = 133,012.12

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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.