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Finding the Fourth Proportional to 176,322.76, 264,520.69 and 80,214.21

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Solution

The fourth proportional to 176,322.76, 264,520.69 and 80,214.21 is: 120,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,322.76 : 264,520.69 = 80,214.21 : x
  2. Step 2: Convert to fraction form
    176,322.76/264,520.69 = 80,214.21/x
  3. Step 3: Cross multiply
    176,322.76x = 264,520.69 × 80,214.21
  4. Step 4: Simplify right side
    176,322.76x = 21,218,317,976.47
  5. Step 5: Solve for x
    x = 21,218,317,976.47/176,322.76
  6. Step 6: Final answer
    x = 120,337.94

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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.