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Finding the Fourth Proportional to 107,758.32, 160,867.44 and 100,643.28

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Solution

The fourth proportional to 107,758.32, 160,867.44 and 100,643.28 is: 150,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,758.32 : 160,867.44 = 100,643.28 : x
  2. Step 2: Convert to fraction form
    107,758.32/160,867.44 = 100,643.28/x
  3. Step 3: Cross multiply
    107,758.32x = 160,867.44 × 100,643.28
  4. Step 4: Simplify right side
    107,758.32x = 16,190,226,806.80
  5. Step 5: Solve for x
    x = 16,190,226,806.80/107,758.32
  6. Step 6: Final answer
    x = 150,245.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.