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Finding the Fourth Proportional to 197,449.30, 295,905.53 and 83,502.38

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Solution

The fourth proportional to 197,449.30, 295,905.53 and 83,502.38 is: 125,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,449.30 : 295,905.53 = 83,502.38 : x
  2. Step 2: Convert to fraction form
    197,449.30/295,905.53 = 83,502.38/x
  3. Step 3: Cross multiply
    197,449.30x = 295,905.53 × 83,502.38
  4. Step 4: Simplify right side
    197,449.30x = 24,708,816,010.16
  5. Step 5: Solve for x
    x = 24,708,816,010.16/197,449.30
  6. Step 6: Final answer
    x = 125,140.05

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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.