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Finding the Fourth Proportional to 180,279.18, 270,425.52 and 53,921.07

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Solution

The fourth proportional to 180,279.18, 270,425.52 and 53,921.07 is: 80,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,279.18 : 270,425.52 = 53,921.07 : x
  2. Step 2: Convert to fraction form
    180,279.18/270,425.52 = 53,921.07/x
  3. Step 3: Cross multiply
    180,279.18x = 270,425.52 × 53,921.07
  4. Step 4: Simplify right side
    180,279.18x = 14,581,633,393.71
  5. Step 5: Solve for x
    x = 14,581,633,393.71/180,279.18
  6. Step 6: Final answer
    x = 80,883.62

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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.