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Finding the Fourth Proportional to 75,217.34, 103,847.13 and 48,406.44

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Solution

The fourth proportional to 75,217.34, 103,847.13 and 48,406.44 is: 66,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.34 : 103,847.13 = 48,406.44 : x
  2. Step 2: Convert to fraction form
    75,217.34/103,847.13 = 48,406.44/x
  3. Step 3: Cross multiply
    75,217.34x = 103,847.13 × 48,406.44
  4. Step 4: Simplify right side
    75,217.34x = 5,026,869,867.52
  5. Step 5: Solve for x
    x = 5,026,869,867.52/75,217.34
  6. Step 6: Final answer
    x = 66,831.26

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1.5x scale

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.