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Finding the Fourth Proportional to 70,179.97, 96,850.75 and 38,350.92

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Solution

The fourth proportional to 70,179.97, 96,850.75 and 38,350.92 is: 52,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,179.97 : 96,850.75 = 38,350.92 : x
  2. Step 2: Convert to fraction form
    70,179.97/96,850.75 = 38,350.92/x
  3. Step 3: Cross multiply
    70,179.97x = 96,850.75 × 38,350.92
  4. Step 4: Simplify right side
    70,179.97x = 3,714,315,051.76
  5. Step 5: Solve for x
    x = 3,714,315,051.76/70,179.97
  6. Step 6: Final answer
    x = 52,925.57

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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.