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Finding the Fourth Proportional to 113,322.44, 170,642.20 and 83,948.60

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Solution

The fourth proportional to 113,322.44, 170,642.20 and 83,948.60 is: 126,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,322.44 : 170,642.20 = 83,948.60 : x
  2. Step 2: Convert to fraction form
    113,322.44/170,642.20 = 83,948.60/x
  3. Step 3: Cross multiply
    113,322.44x = 170,642.20 × 83,948.60
  4. Step 4: Simplify right side
    113,322.44x = 14,325,173,790.92
  5. Step 5: Solve for x
    x = 14,325,173,790.92/113,322.44
  6. Step 6: Final answer
    x = 126,410.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.