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Finding the Fourth Proportional to 97,930.86, 135,094.84 and 63,959.23

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Solution

The fourth proportional to 97,930.86, 135,094.84 and 63,959.23 is: 88,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,930.86 : 135,094.84 = 63,959.23 : x
  2. Step 2: Convert to fraction form
    97,930.86/135,094.84 = 63,959.23/x
  3. Step 3: Cross multiply
    97,930.86x = 135,094.84 × 63,959.23
  4. Step 4: Simplify right side
    97,930.86x = 8,640,561,572.39
  5. Step 5: Solve for x
    x = 8,640,561,572.39/97,930.86
  6. Step 6: Final answer
    x = 88,231.25

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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.