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Finding the Fourth Proportional to 176,073.12, 264,079 and 81,295.22

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Solution

The fourth proportional to 176,073.12, 264,079 and 81,295.22 is: 121,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,073.12 : 264,079 = 81,295.22 : x
  2. Step 2: Convert to fraction form
    176,073.12/264,079 = 81,295.22/x
  3. Step 3: Cross multiply
    176,073.12x = 264,079 × 81,295.22
  4. Step 4: Simplify right side
    176,073.12x = 21,468,360,402.38
  5. Step 5: Solve for x
    x = 21,468,360,402.38/176,073.12
  6. Step 6: Final answer
    x = 121,928.66

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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.