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Finding the Fourth Proportional to 124,449.88, 186,599.74 and 49,581.58

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Solution

The fourth proportional to 124,449.88, 186,599.74 and 49,581.58 is: 74,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,449.88 : 186,599.74 = 49,581.58 : x
  2. Step 2: Convert to fraction form
    124,449.88/186,599.74 = 49,581.58/x
  3. Step 3: Cross multiply
    124,449.88x = 186,599.74 × 49,581.58
  4. Step 4: Simplify right side
    124,449.88x = 9,251,909,936.79
  5. Step 5: Solve for x
    x = 9,251,909,936.79/124,449.88
  6. Step 6: Final answer
    x = 74,342.46

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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.