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Finding the Fourth Proportional to 73,568.72, 101,447.88 and 48,386

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Solution

The fourth proportional to 73,568.72, 101,447.88 and 48,386 is: 66,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,568.72 : 101,447.88 = 48,386 : x
  2. Step 2: Convert to fraction form
    73,568.72/101,447.88 = 48,386/x
  3. Step 3: Cross multiply
    73,568.72x = 101,447.88 × 48,386
  4. Step 4: Simplify right side
    73,568.72x = 4,908,657,121.68
  5. Step 5: Solve for x
    x = 4,908,657,121.68/73,568.72
  6. Step 6: Final answer
    x = 66,722.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.