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Finding the Fourth Proportional to 99,541.80, 149,312.70 and 37,204.20

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Solution

The fourth proportional to 99,541.80, 149,312.70 and 37,204.20 is: 55,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,541.80 : 149,312.70 = 37,204.20 : x
  2. Step 2: Convert to fraction form
    99,541.80/149,312.70 = 37,204.20/x
  3. Step 3: Cross multiply
    99,541.80x = 149,312.70 × 37,204.20
  4. Step 4: Simplify right side
    99,541.80x = 5,555,059,553.34
  5. Step 5: Solve for x
    x = 5,555,059,553.34/99,541.80
  6. Step 6: Final answer
    x = 55,806.30

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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.