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Finding the Fourth Proportional to 83,466.60, 125,199.77 and 55,441.32

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Solution

The fourth proportional to 83,466.60, 125,199.77 and 55,441.32 is: 83,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,466.60 : 125,199.77 = 55,441.32 : x
  2. Step 2: Convert to fraction form
    83,466.60/125,199.77 = 55,441.32/x
  3. Step 3: Cross multiply
    83,466.60x = 125,199.77 × 55,441.32
  4. Step 4: Simplify right side
    83,466.60x = 6,941,240,235.29
  5. Step 5: Solve for x
    x = 6,941,240,235.29/83,466.60
  6. Step 6: Final answer
    x = 83,161.89

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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.