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Finding the Fourth Proportional to 175,285.80, 262,928.70 and 168,287.40

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Solution

The fourth proportional to 175,285.80, 262,928.70 and 168,287.40 is: 252,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,285.80 : 262,928.70 = 168,287.40 : x
  2. Step 2: Convert to fraction form
    175,285.80/262,928.70 = 168,287.40/x
  3. Step 3: Cross multiply
    175,285.80x = 262,928.70 × 168,287.40
  4. Step 4: Simplify right side
    175,285.80x = 44,247,587,308.38
  5. Step 5: Solve for x
    x = 44,247,587,308.38/175,285.80
  6. Step 6: Final answer
    x = 252,431.10

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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.