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Finding the Fourth Proportional to 121,518.60, 182,253.60 and 58,338.60

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Solution

The fourth proportional to 121,518.60, 182,253.60 and 58,338.60 is: 87,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,518.60 : 182,253.60 = 58,338.60 : x
  2. Step 2: Convert to fraction form
    121,518.60/182,253.60 = 58,338.60/x
  3. Step 3: Cross multiply
    121,518.60x = 182,253.60 × 58,338.60
  4. Step 4: Simplify right side
    121,518.60x = 10,632,419,868.96
  5. Step 5: Solve for x
    x = 10,632,419,868.96/121,518.60
  6. Step 6: Final answer
    x = 87,496.23

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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.