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Finding the Fourth Proportional to 113,820.92, 157,077.78 and 63,519.92

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Solution

The fourth proportional to 113,820.92, 157,077.78 and 63,519.92 is: 87,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.92 : 157,077.78 = 63,519.92 : x
  2. Step 2: Convert to fraction form
    113,820.92/157,077.78 = 63,519.92/x
  3. Step 3: Cross multiply
    113,820.92x = 157,077.78 × 63,519.92
  4. Step 4: Simplify right side
    113,820.92x = 9,977,568,019.38
  5. Step 5: Solve for x
    x = 9,977,568,019.38/113,820.92
  6. Step 6: Final answer
    x = 87,660.23

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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.