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Finding the Fourth Proportional to 293,951.65, 405,641.45 and 173,098.03

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Solution

The fourth proportional to 293,951.65, 405,641.45 and 173,098.03 is: 238,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,951.65 : 405,641.45 = 173,098.03 : x
  2. Step 2: Convert to fraction form
    293,951.65/405,641.45 = 173,098.03/x
  3. Step 3: Cross multiply
    293,951.65x = 405,641.45 × 173,098.03
  4. Step 4: Simplify right side
    293,951.65x = 70,215,736,314.09
  5. Step 5: Solve for x
    x = 70,215,736,314.09/293,951.65
  6. Step 6: Final answer
    x = 238,868.32

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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.