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Finding the Fourth Proportional to 240,982.81, 361,094.01 and 88,970.85

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Solution

The fourth proportional to 240,982.81, 361,094.01 and 88,970.85 is: 133,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,982.81 : 361,094.01 = 88,970.85 : x
  2. Step 2: Convert to fraction form
    240,982.81/361,094.01 = 88,970.85/x
  3. Step 3: Cross multiply
    240,982.81x = 361,094.01 × 88,970.85
  4. Step 4: Simplify right side
    240,982.81x = 32,126,840,999.61
  5. Step 5: Solve for x
    x = 32,126,840,999.61/240,982.81
  6. Step 6: Final answer
    x = 133,315.90

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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.