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Finding the Fourth Proportional to 107,073.96, 160,758.06 and 54,518.76

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Solution

The fourth proportional to 107,073.96, 160,758.06 and 54,518.76 is: 81,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,073.96 : 160,758.06 = 54,518.76 : x
  2. Step 2: Convert to fraction form
    107,073.96/160,758.06 = 54,518.76/x
  3. Step 3: Cross multiply
    107,073.96x = 160,758.06 × 54,518.76
  4. Step 4: Simplify right side
    107,073.96x = 8,764,330,091.21
  5. Step 5: Solve for x
    x = 8,764,330,091.21/107,073.96
  6. Step 6: Final answer
    x = 81,853.05

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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.