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Finding the Fourth Proportional to 174,653.22, 261,760.76 and 74,696.08

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Solution

The fourth proportional to 174,653.22, 261,760.76 and 74,696.08 is: 111,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,653.22 : 261,760.76 = 74,696.08 : x
  2. Step 2: Convert to fraction form
    174,653.22/261,760.76 = 74,696.08/x
  3. Step 3: Cross multiply
    174,653.22x = 261,760.76 × 74,696.08
  4. Step 4: Simplify right side
    174,653.22x = 19,552,502,669.82
  5. Step 5: Solve for x
    x = 19,552,502,669.82/174,653.22
  6. Step 6: Final answer
    x = 111,950.43

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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.