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Finding the Fourth Proportional to 124,553.01, 186,669.14 and 45,573.15

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Solution

The fourth proportional to 124,553.01, 186,669.14 and 45,573.15 is: 68,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.01 : 186,669.14 = 45,573.15 : x
  2. Step 2: Convert to fraction form
    124,553.01/186,669.14 = 45,573.15/x
  3. Step 3: Cross multiply
    124,553.01x = 186,669.14 × 45,573.15
  4. Step 4: Simplify right side
    124,553.01x = 8,507,100,489.73
  5. Step 5: Solve for x
    x = 8,507,100,489.73/124,553.01
  6. Step 6: Final answer
    x = 68,301.04

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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.