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Finding the Fourth Proportional to 113,045.60, 169,568.40 and 53,996.60

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Solution

The fourth proportional to 113,045.60, 169,568.40 and 53,996.60 is: 80,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,045.60 : 169,568.40 = 53,996.60 : x
  2. Step 2: Convert to fraction form
    113,045.60/169,568.40 = 53,996.60/x
  3. Step 3: Cross multiply
    113,045.60x = 169,568.40 × 53,996.60
  4. Step 4: Simplify right side
    113,045.60x = 9,156,117,067.44
  5. Step 5: Solve for x
    x = 9,156,117,067.44/113,045.60
  6. Step 6: Final answer
    x = 80,994.90

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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.