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Finding the Fourth Proportional to 98,597, 136,067.22 and 53,887.88

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Solution

The fourth proportional to 98,597, 136,067.22 and 53,887.88 is: 74,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,597 : 136,067.22 = 53,887.88 : x
  2. Step 2: Convert to fraction form
    98,597/136,067.22 = 53,887.88/x
  3. Step 3: Cross multiply
    98,597x = 136,067.22 × 53,887.88
  4. Step 4: Simplify right side
    98,597x = 7,332,374,023.29
  5. Step 5: Solve for x
    x = 7,332,374,023.29/98,597
  6. Step 6: Final answer
    x = 74,367.11

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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.