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Finding the Fourth Proportional to 293,596.55, 405,144.06 and 172,714.48

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Solution

The fourth proportional to 293,596.55, 405,144.06 and 172,714.48 is: 238,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,596.55 : 405,144.06 = 172,714.48 : x
  2. Step 2: Convert to fraction form
    293,596.55/405,144.06 = 172,714.48/x
  3. Step 3: Cross multiply
    293,596.55x = 405,144.06 × 172,714.48
  4. Step 4: Simplify right side
    293,596.55x = 69,974,245,330.07
  5. Step 5: Solve for x
    x = 69,974,245,330.07/293,596.55
  6. Step 6: Final answer
    x = 238,334.70

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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.