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Finding the Fourth Proportional to 175,440.80, 263,420.40 and 136,042.40

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Solution

The fourth proportional to 175,440.80, 263,420.40 and 136,042.40 is: 204,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,440.80 : 263,420.40 = 136,042.40 : x
  2. Step 2: Convert to fraction form
    175,440.80/263,420.40 = 136,042.40/x
  3. Step 3: Cross multiply
    175,440.80x = 263,420.40 × 136,042.40
  4. Step 4: Simplify right side
    175,440.80x = 35,836,343,424.96
  5. Step 5: Solve for x
    x = 35,836,343,424.96/175,440.80
  6. Step 6: Final answer
    x = 204,264.59

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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.