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Finding the Fourth Proportional to 124,480.68, 186,645.84 and 49,612.32

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Solution

The fourth proportional to 124,480.68, 186,645.84 and 49,612.32 is: 74,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,480.68 : 186,645.84 = 49,612.32 : x
  2. Step 2: Convert to fraction form
    124,480.68/186,645.84 = 49,612.32/x
  3. Step 3: Cross multiply
    124,480.68x = 186,645.84 × 49,612.32
  4. Step 4: Simplify right side
    124,480.68x = 9,259,933,140.75
  5. Step 5: Solve for x
    x = 9,259,933,140.75/124,480.68
  6. Step 6: Final answer
    x = 74,388.52

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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.