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Finding the Fourth Proportional to 325,833.06, 488,750.13 and 89,158.08

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Solution

The fourth proportional to 325,833.06, 488,750.13 and 89,158.08 is: 133,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,833.06 : 488,750.13 = 89,158.08 : x
  2. Step 2: Convert to fraction form
    325,833.06/488,750.13 = 89,158.08/x
  3. Step 3: Cross multiply
    325,833.06x = 488,750.13 × 89,158.08
  4. Step 4: Simplify right side
    325,833.06x = 43,576,023,190.55
  5. Step 5: Solve for x
    x = 43,576,023,190.55/325,833.06
  6. Step 6: Final answer
    x = 133,737.27

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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.