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Finding the Fourth Proportional to 176,332.64, 264,542.64 and 82,728.96

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Solution

The fourth proportional to 176,332.64, 264,542.64 and 82,728.96 is: 124,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,332.64 : 264,542.64 = 82,728.96 : x
  2. Step 2: Convert to fraction form
    176,332.64/264,542.64 = 82,728.96/x
  3. Step 3: Cross multiply
    176,332.64x = 264,542.64 × 82,728.96
  4. Step 4: Simplify right side
    176,332.64x = 21,885,337,482.85
  5. Step 5: Solve for x
    x = 21,885,337,482.85/176,332.64
  6. Step 6: Final answer
    x = 124,113.93

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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.