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Finding the Fourth Proportional to 107,055.96, 160,549.92 and 100,067.28

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Solution

The fourth proportional to 107,055.96, 160,549.92 and 100,067.28 is: 150,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,055.96 : 160,549.92 = 100,067.28 : x
  2. Step 2: Convert to fraction form
    107,055.96/160,549.92 = 100,067.28/x
  3. Step 3: Cross multiply
    107,055.96x = 160,549.92 × 100,067.28
  4. Step 4: Simplify right side
    107,055.96x = 16,065,793,798.62
  5. Step 5: Solve for x
    x = 16,065,793,798.62/107,055.96
  6. Step 6: Final answer
    x = 150,069.12

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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.