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Finding the Fourth Proportional to 77,882.12, 107,477.22 and 44,348.12

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Solution

The fourth proportional to 77,882.12, 107,477.22 and 44,348.12 is: 61,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,882.12 : 107,477.22 = 44,348.12 : x
  2. Step 2: Convert to fraction form
    77,882.12/107,477.22 = 44,348.12/x
  3. Step 3: Cross multiply
    77,882.12x = 107,477.22 × 44,348.12
  4. Step 4: Simplify right side
    77,882.12x = 4,766,412,649.83
  5. Step 5: Solve for x
    x = 4,766,412,649.83/77,882.12
  6. Step 6: Final answer
    x = 61,200.35

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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.