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Finding the Fourth Proportional to 77,581.19, 107,062.14 and 44,047.19

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Solution

The fourth proportional to 77,581.19, 107,062.14 and 44,047.19 is: 60,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,581.19 : 107,062.14 = 44,047.19 : x
  2. Step 2: Convert to fraction form
    77,581.19/107,062.14 = 44,047.19/x
  3. Step 3: Cross multiply
    77,581.19x = 107,062.14 × 44,047.19
  4. Step 4: Simplify right side
    77,581.19x = 4,715,786,422.39
  5. Step 5: Solve for x
    x = 4,715,786,422.39/77,581.19
  6. Step 6: Final answer
    x = 60,785.18

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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.