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Finding the Fourth Proportional to 176,084.80, 263,954.40 and 157,422.40

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Solution

The fourth proportional to 176,084.80, 263,954.40 and 157,422.40 is: 235,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,084.80 : 263,954.40 = 157,422.40 : x
  2. Step 2: Convert to fraction form
    176,084.80/263,954.40 = 157,422.40/x
  3. Step 3: Cross multiply
    176,084.80x = 263,954.40 × 157,422.40
  4. Step 4: Simplify right side
    176,084.80x = 41,552,335,138.56
  5. Step 5: Solve for x
    x = 41,552,335,138.56/176,084.80
  6. Step 6: Final answer
    x = 235,979.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.