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Finding the Fourth Proportional to 108,035.75, 162,263.70 and 88,059.89

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Solution

The fourth proportional to 108,035.75, 162,263.70 and 88,059.89 is: 132,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,035.75 : 162,263.70 = 88,059.89 : x
  2. Step 2: Convert to fraction form
    108,035.75/162,263.70 = 88,059.89/x
  3. Step 3: Cross multiply
    108,035.75x = 162,263.70 × 88,059.89
  4. Step 4: Simplify right side
    108,035.75x = 14,288,923,572.99
  5. Step 5: Solve for x
    x = 14,288,923,572.99/108,035.75
  6. Step 6: Final answer
    x = 132,261.07

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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.