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Finding the Fourth Proportional to 170,695.20, 256,042.80 and 117,551.10

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Solution

The fourth proportional to 170,695.20, 256,042.80 and 117,551.10 is: 176,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,695.20 : 256,042.80 = 117,551.10 : x
  2. Step 2: Convert to fraction form
    170,695.20/256,042.80 = 117,551.10/x
  3. Step 3: Cross multiply
    170,695.20x = 256,042.80 × 117,551.10
  4. Step 4: Simplify right side
    170,695.20x = 30,098,112,787.08
  5. Step 5: Solve for x
    x = 30,098,112,787.08/170,695.20
  6. Step 6: Final answer
    x = 176,326.65

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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.