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Finding the Fourth Proportional to 167,407.36, 231,023.85 and 90,927.19

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Solution

The fourth proportional to 167,407.36, 231,023.85 and 90,927.19 is: 125,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,407.36 : 231,023.85 = 90,927.19 : x
  2. Step 2: Convert to fraction form
    167,407.36/231,023.85 = 90,927.19/x
  3. Step 3: Cross multiply
    167,407.36x = 231,023.85 × 90,927.19
  4. Step 4: Simplify right side
    167,407.36x = 21,006,349,503.48
  5. Step 5: Solve for x
    x = 21,006,349,503.48/167,407.36
  6. Step 6: Final answer
    x = 125,480.44

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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.