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Finding the Fourth Proportional to 113,843.88, 157,111.38 and 63,546.12

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Solution

The fourth proportional to 113,843.88, 157,111.38 and 63,546.12 is: 87,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,843.88 : 157,111.38 = 63,546.12 : x
  2. Step 2: Convert to fraction form
    113,843.88/157,111.38 = 63,546.12/x
  3. Step 3: Cross multiply
    113,843.88x = 157,111.38 × 63,546.12
  4. Step 4: Simplify right side
    113,843.88x = 9,983,818,606.85
  5. Step 5: Solve for x
    x = 9,983,818,606.85/113,843.88
  6. Step 6: Final answer
    x = 87,697.46

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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.