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Finding the Fourth Proportional to 74,797.68, 112,089.60 and 54,920.28

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Solution

The fourth proportional to 74,797.68, 112,089.60 and 54,920.28 is: 82,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,797.68 : 112,089.60 = 54,920.28 : x
  2. Step 2: Convert to fraction form
    74,797.68/112,089.60 = 54,920.28/x
  3. Step 3: Cross multiply
    74,797.68x = 112,089.60 × 54,920.28
  4. Step 4: Simplify right side
    74,797.68x = 6,155,992,217.09
  5. Step 5: Solve for x
    x = 6,155,992,217.09/74,797.68
  6. Step 6: Final answer
    x = 82,301.91

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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.