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Finding the Fourth Proportional to 121,812.39, 182,738.28 and 37,552.83

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Solution

The fourth proportional to 121,812.39, 182,738.28 and 37,552.83 is: 56,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,812.39 : 182,738.28 = 37,552.83 : x
  2. Step 2: Convert to fraction form
    121,812.39/182,738.28 = 37,552.83/x
  3. Step 3: Cross multiply
    121,812.39x = 182,738.28 × 37,552.83
  4. Step 4: Simplify right side
    121,812.39x = 6,862,339,563.33
  5. Step 5: Solve for x
    x = 6,862,339,563.33/121,812.39
  6. Step 6: Final answer
    x = 56,335.32

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1.5x scale

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.