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Finding the Fourth Proportional to 176,423.59, 264,595.49 and 81,601.75

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Solution

The fourth proportional to 176,423.59, 264,595.49 and 81,601.75 is: 122,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,423.59 : 264,595.49 = 81,601.75 : x
  2. Step 2: Convert to fraction form
    176,423.59/264,595.49 = 81,601.75/x
  3. Step 3: Cross multiply
    176,423.59x = 264,595.49 × 81,601.75
  4. Step 4: Simplify right side
    176,423.59x = 21,591,453,295.12
  5. Step 5: Solve for x
    x = 21,591,453,295.12/176,423.59
  6. Step 6: Final answer
    x = 122,384.17

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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.