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Finding the Fourth Proportional to 189,063.60, 283,595.40 and 153,634.20

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Solution

The fourth proportional to 189,063.60, 283,595.40 and 153,634.20 is: 230,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,063.60 : 283,595.40 = 153,634.20 : x
  2. Step 2: Convert to fraction form
    189,063.60/283,595.40 = 153,634.20/x
  3. Step 3: Cross multiply
    189,063.60x = 283,595.40 × 153,634.20
  4. Step 4: Simplify right side
    189,063.60x = 43,569,952,402.68
  5. Step 5: Solve for x
    x = 43,569,952,402.68/189,063.60
  6. Step 6: Final answer
    x = 230,451.30

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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.