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Finding the Fourth Proportional to 167,001.71, 230,461.51 and 90,520.49

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Solution

The fourth proportional to 167,001.71, 230,461.51 and 90,520.49 is: 124,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,001.71 : 230,461.51 = 90,520.49 : x
  2. Step 2: Convert to fraction form
    167,001.71/230,461.51 = 90,520.49/x
  3. Step 3: Cross multiply
    167,001.71x = 230,461.51 × 90,520.49
  4. Step 4: Simplify right side
    167,001.71x = 20,861,489,161.19
  5. Step 5: Solve for x
    x = 20,861,489,161.19/167,001.71
  6. Step 6: Final answer
    x = 124,917.82

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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.