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Finding the Fourth Proportional to 176,585.90, 264,648.45 and 81,805.10

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Solution

The fourth proportional to 176,585.90, 264,648.45 and 81,805.10 is: 122,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,585.90 : 264,648.45 = 81,805.10 : x
  2. Step 2: Convert to fraction form
    176,585.90/264,648.45 = 81,805.10/x
  3. Step 3: Cross multiply
    176,585.90x = 264,648.45 × 81,805.10
  4. Step 4: Simplify right side
    176,585.90x = 21,649,592,917.10
  5. Step 5: Solve for x
    x = 21,649,592,917.10/176,585.90
  6. Step 6: Final answer
    x = 122,600.92

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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.