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Finding the Fourth Proportional to 113,086.10, 169,629.15 and 54,037.10

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Solution

The fourth proportional to 113,086.10, 169,629.15 and 54,037.10 is: 81,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,086.10 : 169,629.15 = 54,037.10 : x
  2. Step 2: Convert to fraction form
    113,086.10/169,629.15 = 54,037.10/x
  3. Step 3: Cross multiply
    113,086.10x = 169,629.15 × 54,037.10
  4. Step 4: Simplify right side
    113,086.10x = 9,166,267,341.47
  5. Step 5: Solve for x
    x = 9,166,267,341.47/113,086.10
  6. Step 6: Final answer
    x = 81,055.65

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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.