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Finding the Fourth Proportional to 113,318.60, 169,832.10 and 54,026.60

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Solution

The fourth proportional to 113,318.60, 169,832.10 and 54,026.60 is: 80,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,318.60 : 169,832.10 = 54,026.60 : x
  2. Step 2: Convert to fraction form
    113,318.60/169,832.10 = 54,026.60/x
  3. Step 3: Cross multiply
    113,318.60x = 169,832.10 × 54,026.60
  4. Step 4: Simplify right side
    113,318.60x = 9,175,450,933.86
  5. Step 5: Solve for x
    x = 9,175,450,933.86/113,318.60
  6. Step 6: Final answer
    x = 80,970.39

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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.