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Finding the Fourth Proportional to 100,220.49, 150,343.10 and 32,750.93

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Solution

The fourth proportional to 100,220.49, 150,343.10 and 32,750.93 is: 49,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,220.49 : 150,343.10 = 32,750.93 : x
  2. Step 2: Convert to fraction form
    100,220.49/150,343.10 = 32,750.93/x
  3. Step 3: Cross multiply
    100,220.49x = 150,343.10 × 32,750.93
  4. Step 4: Simplify right side
    100,220.49x = 4,923,875,428.61
  5. Step 5: Solve for x
    x = 4,923,875,428.61/100,220.49
  6. Step 6: Final answer
    x = 49,130.43

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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.