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Finding the Fourth Proportional to 121,570.60, 182,399.10 and 59,199.40

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Solution

The fourth proportional to 121,570.60, 182,399.10 and 59,199.40 is: 88,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,570.60 : 182,399.10 = 59,199.40 : x
  2. Step 2: Convert to fraction form
    121,570.60/182,399.10 = 59,199.40/x
  3. Step 3: Cross multiply
    121,570.60x = 182,399.10 × 59,199.40
  4. Step 4: Simplify right side
    121,570.60x = 10,797,917,280.54
  5. Step 5: Solve for x
    x = 10,797,917,280.54/121,570.60
  6. Step 6: Final answer
    x = 88,820.14

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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.