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Finding the Fourth Proportional to 167,352, 230,947.38 and 91,902.12

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Solution

The fourth proportional to 167,352, 230,947.38 and 91,902.12 is: 126,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,352 : 230,947.38 = 91,902.12 : x
  2. Step 2: Convert to fraction form
    167,352/230,947.38 = 91,902.12/x
  3. Step 3: Cross multiply
    167,352x = 230,947.38 × 91,902.12
  4. Step 4: Simplify right side
    167,352x = 21,224,553,830.45
  5. Step 5: Solve for x
    x = 21,224,553,830.45/167,352
  6. Step 6: Final answer
    x = 126,825.82

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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.