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Finding the Fourth Proportional to 166,702.40, 230,054.80 and 91,250.88

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Solution

The fourth proportional to 166,702.40, 230,054.80 and 91,250.88 is: 125,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,702.40 : 230,054.80 = 91,250.88 : x
  2. Step 2: Convert to fraction form
    166,702.40/230,054.80 = 91,250.88/x
  3. Step 3: Cross multiply
    166,702.40x = 230,054.80 × 91,250.88
  4. Step 4: Simplify right side
    166,702.40x = 20,992,702,948.22
  5. Step 5: Solve for x
    x = 20,992,702,948.22/166,702.40
  6. Step 6: Final answer
    x = 125,929.22

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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.