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Finding the Fourth Proportional to 175,686.40, 262,915.20 and 160,940.80

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Solution

The fourth proportional to 175,686.40, 262,915.20 and 160,940.80 is: 240,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,686.40 : 262,915.20 = 160,940.80 : x
  2. Step 2: Convert to fraction form
    175,686.40/262,915.20 = 160,940.80/x
  3. Step 3: Cross multiply
    175,686.40x = 262,915.20 × 160,940.80
  4. Step 4: Simplify right side
    175,686.40x = 42,313,782,620.16
  5. Step 5: Solve for x
    x = 42,313,782,620.16/175,686.40
  6. Step 6: Final answer
    x = 240,848.37

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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.