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Finding the Fourth Proportional to 345,292.74, 517,803.03 and 167,747.22

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Solution

The fourth proportional to 345,292.74, 517,803.03 and 167,747.22 is: 251,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,292.74 : 517,803.03 = 167,747.22 : x
  2. Step 2: Convert to fraction form
    345,292.74/517,803.03 = 167,747.22/x
  3. Step 3: Cross multiply
    345,292.74x = 517,803.03 × 167,747.22
  4. Step 4: Simplify right side
    345,292.74x = 86,860,018,790.08
  5. Step 5: Solve for x
    x = 86,860,018,790.08/345,292.74
  6. Step 6: Final answer
    x = 251,554.72

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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.