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Finding the Fourth Proportional to 77,218.96, 115,837.08 and 24,616.24

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Solution

The fourth proportional to 77,218.96, 115,837.08 and 24,616.24 is: 36,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,218.96 : 115,837.08 = 24,616.24 : x
  2. Step 2: Convert to fraction form
    77,218.96/115,837.08 = 24,616.24/x
  3. Step 3: Cross multiply
    77,218.96x = 115,837.08 × 24,616.24
  4. Step 4: Simplify right side
    77,218.96x = 2,851,472,659.91
  5. Step 5: Solve for x
    x = 2,851,472,659.91/77,218.96
  6. Step 6: Final answer
    x = 36,927.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.