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Finding the Fourth Proportional to 67,248.81, 100,873.19 and 22,258.08

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Solution

The fourth proportional to 67,248.81, 100,873.19 and 22,258.08 is: 33,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248.81 : 100,873.19 = 22,258.08 : x
  2. Step 2: Convert to fraction form
    67,248.81/100,873.19 = 22,258.08/x
  3. Step 3: Cross multiply
    67,248.81x = 100,873.19 × 22,258.08
  4. Step 4: Simplify right side
    67,248.81x = 2,245,243,588.52
  5. Step 5: Solve for x
    x = 2,245,243,588.52/67,248.81
  6. Step 6: Final answer
    x = 33,387.11

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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.