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Finding the Fourth Proportional to 261,682.14, 360,758.55 and 176,664.54

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Solution

The fourth proportional to 261,682.14, 360,758.55 and 176,664.54 is: 243,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,682.14 : 360,758.55 = 176,664.54 : x
  2. Step 2: Convert to fraction form
    261,682.14/360,758.55 = 176,664.54/x
  3. Step 3: Cross multiply
    261,682.14x = 360,758.55 × 176,664.54
  4. Step 4: Simplify right side
    261,682.14x = 63,733,243,286.82
  5. Step 5: Solve for x
    x = 63,733,243,286.82/261,682.14
  6. Step 6: Final answer
    x = 243,552.13

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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.