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Finding the Fourth Proportional to 189,025.60, 283,538.40 and 83,732.80

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Solution

The fourth proportional to 189,025.60, 283,538.40 and 83,732.80 is: 125,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,025.60 : 283,538.40 = 83,732.80 : x
  2. Step 2: Convert to fraction form
    189,025.60/283,538.40 = 83,732.80/x
  3. Step 3: Cross multiply
    189,025.60x = 283,538.40 × 83,732.80
  4. Step 4: Simplify right side
    189,025.60x = 23,741,464,139.52
  5. Step 5: Solve for x
    x = 23,741,464,139.52/189,025.60
  6. Step 6: Final answer
    x = 125,599.20

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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.