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Finding the Fourth Proportional to 77,260.74, 106,633.17 and 43,726.74

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Solution

The fourth proportional to 77,260.74, 106,633.17 and 43,726.74 is: 60,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,260.74 : 106,633.17 = 43,726.74 : x
  2. Step 2: Convert to fraction form
    77,260.74/106,633.17 = 43,726.74/x
  3. Step 3: Cross multiply
    77,260.74x = 106,633.17 × 43,726.74
  4. Step 4: Simplify right side
    77,260.74x = 4,662,720,899.97
  5. Step 5: Solve for x
    x = 4,662,720,899.97/77,260.74
  6. Step 6: Final answer
    x = 60,350.46

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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.