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Finding the Fourth Proportional to 153,609.70, 230,560.35 and 131,448.10

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Solution

The fourth proportional to 153,609.70, 230,560.35 and 131,448.10 is: 197,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,609.70 : 230,560.35 = 131,448.10 : x
  2. Step 2: Convert to fraction form
    153,609.70/230,560.35 = 131,448.10/x
  3. Step 3: Cross multiply
    153,609.70x = 230,560.35 × 131,448.10
  4. Step 4: Simplify right side
    153,609.70x = 30,306,719,942.84
  5. Step 5: Solve for x
    x = 30,306,719,942.84/153,609.70
  6. Step 6: Final answer
    x = 197,296.92

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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.