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Finding the Fourth Proportional to 217,332.71, 299,926.92 and 126,674.06

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Solution

The fourth proportional to 217,332.71, 299,926.92 and 126,674.06 is: 174,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,332.71 : 299,926.92 = 126,674.06 : x
  2. Step 2: Convert to fraction form
    217,332.71/299,926.92 = 126,674.06/x
  3. Step 3: Cross multiply
    217,332.71x = 299,926.92 × 126,674.06
  4. Step 4: Simplify right side
    217,332.71x = 37,992,959,160.06
  5. Step 5: Solve for x
    x = 37,992,959,160.06/217,332.71
  6. Step 6: Final answer
    x = 174,814.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.