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Finding the Fourth Proportional to 124,447.68, 186,699.20 and 35,694.36

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Solution

The fourth proportional to 124,447.68, 186,699.20 and 35,694.36 is: 53,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,447.68 : 186,699.20 = 35,694.36 : x
  2. Step 2: Convert to fraction form
    124,447.68/186,699.20 = 35,694.36/x
  3. Step 3: Cross multiply
    124,447.68x = 186,699.20 × 35,694.36
  4. Step 4: Simplify right side
    124,447.68x = 6,664,108,278.04
  5. Step 5: Solve for x
    x = 6,664,108,278.04/124,447.68
  6. Step 6: Final answer
    x = 53,549.48

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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.