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Finding the Fourth Proportional to 124,152.56, 186,246.35 and 39,884.47

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Solution

The fourth proportional to 124,152.56, 186,246.35 and 39,884.47 is: 59,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,152.56 : 186,246.35 = 39,884.47 : x
  2. Step 2: Convert to fraction form
    124,152.56/186,246.35 = 39,884.47/x
  3. Step 3: Cross multiply
    124,152.56x = 186,246.35 × 39,884.47
  4. Step 4: Simplify right side
    124,152.56x = 7,428,336,959.18
  5. Step 5: Solve for x
    x = 7,428,336,959.18/124,152.56
  6. Step 6: Final answer
    x = 59,832.33

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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.