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Finding the Fourth Proportional to 148,465.60, 204,882.72 and 80,482.96

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Solution

The fourth proportional to 148,465.60, 204,882.72 and 80,482.96 is: 111,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,465.60 : 204,882.72 = 80,482.96 : x
  2. Step 2: Convert to fraction form
    148,465.60/204,882.72 = 80,482.96/x
  3. Step 3: Cross multiply
    148,465.60x = 204,882.72 × 80,482.96
  4. Step 4: Simplify right side
    148,465.60x = 16,489,567,758.45
  5. Step 5: Solve for x
    x = 16,489,567,758.45/148,465.60
  6. Step 6: Final answer
    x = 111,066.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.