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Finding the Fourth Proportional to 176,085.30, 263,955.15 and 157,422.90

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Solution

The fourth proportional to 176,085.30, 263,955.15 and 157,422.90 is: 235,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,085.30 : 263,955.15 = 157,422.90 : x
  2. Step 2: Convert to fraction form
    176,085.30/263,955.15 = 157,422.90/x
  3. Step 3: Cross multiply
    176,085.30x = 263,955.15 × 157,422.90
  4. Step 4: Simplify right side
    176,085.30x = 41,552,585,182.94
  5. Step 5: Solve for x
    x = 41,552,585,182.94/176,085.30
  6. Step 6: Final answer
    x = 235,979.86

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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.