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Finding the Fourth Proportional to 167,333.79, 230,920.16 and 100,265.79

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Solution

The fourth proportional to 167,333.79, 230,920.16 and 100,265.79 is: 138,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,333.79 : 230,920.16 = 100,265.79 : x
  2. Step 2: Convert to fraction form
    167,333.79/230,920.16 = 100,265.79/x
  3. Step 3: Cross multiply
    167,333.79x = 230,920.16 × 100,265.79
  4. Step 4: Simplify right side
    167,333.79x = 23,153,391,768.00
  5. Step 5: Solve for x
    x = 23,153,391,768.00/167,333.79
  6. Step 6: Final answer
    x = 138,366.51

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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.