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Finding the Fourth Proportional to 166,980.60, 230,442.06 and 91,532.28

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Solution

The fourth proportional to 166,980.60, 230,442.06 and 91,532.28 is: 126,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,980.60 : 230,442.06 = 91,532.28 : x
  2. Step 2: Convert to fraction form
    166,980.60/230,442.06 = 91,532.28/x
  3. Step 3: Cross multiply
    166,980.60x = 230,442.06 × 91,532.28
  4. Step 4: Simplify right side
    166,980.60x = 21,092,887,159.70
  5. Step 5: Solve for x
    x = 21,092,887,159.70/166,980.60
  6. Step 6: Final answer
    x = 126,319.39

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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.