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Finding the Fourth Proportional to 167,347.64, 230,932.88 and 90,863.76

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Solution

The fourth proportional to 167,347.64, 230,932.88 and 90,863.76 is: 125,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,347.64 : 230,932.88 = 90,863.76 : x
  2. Step 2: Convert to fraction form
    167,347.64/230,932.88 = 90,863.76/x
  3. Step 3: Cross multiply
    167,347.64x = 230,932.88 × 90,863.76
  4. Step 4: Simplify right side
    167,347.64x = 20,983,429,330.11
  5. Step 5: Solve for x
    x = 20,983,429,330.11/167,347.64
  6. Step 6: Final answer
    x = 125,388.26

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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.