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Finding the Fourth Proportional to 113,805.44, 157,014.96 and 63,494.72

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Solution

The fourth proportional to 113,805.44, 157,014.96 and 63,494.72 is: 87,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,805.44 : 157,014.96 = 63,494.72 : x
  2. Step 2: Convert to fraction form
    113,805.44/157,014.96 = 63,494.72/x
  3. Step 3: Cross multiply
    113,805.44x = 157,014.96 × 63,494.72
  4. Step 4: Simplify right side
    113,805.44x = 9,969,620,921.01
  5. Step 5: Solve for x
    x = 9,969,620,921.01/113,805.44
  6. Step 6: Final answer
    x = 87,602.32

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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.