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Finding the Fourth Proportional to 167,245.13, 230,798.28 and 91,798.49

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Solution

The fourth proportional to 167,245.13, 230,798.28 and 91,798.49 is: 126,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,245.13 : 230,798.28 = 91,798.49 : x
  2. Step 2: Convert to fraction form
    167,245.13/230,798.28 = 91,798.49/x
  3. Step 3: Cross multiply
    167,245.13x = 230,798.28 × 91,798.49
  4. Step 4: Simplify right side
    167,245.13x = 21,186,932,444.61
  5. Step 5: Solve for x
    x = 21,186,932,444.61/167,245.13
  6. Step 6: Final answer
    x = 126,681.91

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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.