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Finding the Fourth Proportional to 107,351.70, 161,027.55 and 48,302.70

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Solution

The fourth proportional to 107,351.70, 161,027.55 and 48,302.70 is: 72,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,351.70 : 161,027.55 = 48,302.70 : x
  2. Step 2: Convert to fraction form
    107,351.70/161,027.55 = 48,302.70/x
  3. Step 3: Cross multiply
    107,351.70x = 161,027.55 × 48,302.70
  4. Step 4: Simplify right side
    107,351.70x = 7,778,065,439.39
  5. Step 5: Solve for x
    x = 7,778,065,439.39/107,351.70
  6. Step 6: Final answer
    x = 72,454.05

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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.