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Finding the Fourth Proportional to 180,022.80, 270,034.20 and 176,912.40

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Solution

The fourth proportional to 180,022.80, 270,034.20 and 176,912.40 is: 265,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,022.80 : 270,034.20 = 176,912.40 : x
  2. Step 2: Convert to fraction form
    180,022.80/270,034.20 = 176,912.40/x
  3. Step 3: Cross multiply
    180,022.80x = 270,034.20 × 176,912.40
  4. Step 4: Simplify right side
    180,022.80x = 47,772,398,404.08
  5. Step 5: Solve for x
    x = 47,772,398,404.08/180,022.80
  6. Step 6: Final answer
    x = 265,368.60

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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.