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Finding the Fourth Proportional to 216,886.68, 325,267.44 and 74,726.16

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Solution

The fourth proportional to 216,886.68, 325,267.44 and 74,726.16 is: 112,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,886.68 : 325,267.44 = 74,726.16 : x
  2. Step 2: Convert to fraction form
    216,886.68/325,267.44 = 74,726.16/x
  3. Step 3: Cross multiply
    216,886.68x = 325,267.44 × 74,726.16
  4. Step 4: Simplify right side
    216,886.68x = 24,305,986,764.23
  5. Step 5: Solve for x
    x = 24,305,986,764.23/216,886.68
  6. Step 6: Final answer
    x = 112,067.68

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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.