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Finding the Fourth Proportional to 176,169.52, 264,221.20 and 81,395.76

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Solution

The fourth proportional to 176,169.52, 264,221.20 and 81,395.76 is: 122,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,169.52 : 264,221.20 = 81,395.76 : x
  2. Step 2: Convert to fraction form
    176,169.52/264,221.20 = 81,395.76/x
  3. Step 3: Cross multiply
    176,169.52x = 264,221.20 × 81,395.76
  4. Step 4: Simplify right side
    176,169.52x = 21,506,485,382.11
  5. Step 5: Solve for x
    x = 21,506,485,382.11/176,169.52
  6. Step 6: Final answer
    x = 122,078.36

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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.