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Finding the Fourth Proportional to 107,273.80, 160,932.30 and 89,864.20

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Solution

The fourth proportional to 107,273.80, 160,932.30 and 89,864.20 is: 134,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,273.80 : 160,932.30 = 89,864.20 : x
  2. Step 2: Convert to fraction form
    107,273.80/160,932.30 = 89,864.20/x
  3. Step 3: Cross multiply
    107,273.80x = 160,932.30 × 89,864.20
  4. Step 4: Simplify right side
    107,273.80x = 14,462,052,393.66
  5. Step 5: Solve for x
    x = 14,462,052,393.66/107,273.80
  6. Step 6: Final answer
    x = 134,814.39

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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.