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Finding the Fourth Proportional to 261,690.80, 361,167 and 176,802.80

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Solution

The fourth proportional to 261,690.80, 361,167 and 176,802.80 is: 244,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,690.80 : 361,167 = 176,802.80 : x
  2. Step 2: Convert to fraction form
    261,690.80/361,167 = 176,802.80/x
  3. Step 3: Cross multiply
    261,690.80x = 361,167 × 176,802.80
  4. Step 4: Simplify right side
    261,690.80x = 63,855,336,867.60
  5. Step 5: Solve for x
    x = 63,855,336,867.60/261,690.80
  6. Step 6: Final answer
    x = 244,010.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.