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Finding the Fourth Proportional to 73,613.32, 101,616.90 and 55,713.32

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Solution

The fourth proportional to 73,613.32, 101,616.90 and 55,713.32 is: 76,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,613.32 : 101,616.90 = 55,713.32 : x
  2. Step 2: Convert to fraction form
    73,613.32/101,616.90 = 55,713.32/x
  3. Step 3: Cross multiply
    73,613.32x = 101,616.90 × 55,713.32
  4. Step 4: Simplify right side
    73,613.32x = 5,661,414,867.11
  5. Step 5: Solve for x
    x = 5,661,414,867.11/73,613.32
  6. Step 6: Final answer
    x = 76,907.48

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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.