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Finding the Fourth Proportional to 243,713.69, 365,480.99 and 83,744.25

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Solution

The fourth proportional to 243,713.69, 365,480.99 and 83,744.25 is: 125,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,713.69 : 365,480.99 = 83,744.25 : x
  2. Step 2: Convert to fraction form
    243,713.69/365,480.99 = 83,744.25/x
  3. Step 3: Cross multiply
    243,713.69x = 365,480.99 × 83,744.25
  4. Step 4: Simplify right side
    243,713.69x = 30,606,932,769.79
  5. Step 5: Solve for x
    x = 30,606,932,769.79/243,713.69
  6. Step 6: Final answer
    x = 125,585.61

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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.