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Finding the Fourth Proportional to 173,770.34, 239,747.30 and 97,278.17

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Solution

The fourth proportional to 173,770.34, 239,747.30 and 97,278.17 is: 134,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,770.34 : 239,747.30 = 97,278.17 : x
  2. Step 2: Convert to fraction form
    173,770.34/239,747.30 = 97,278.17/x
  3. Step 3: Cross multiply
    173,770.34x = 239,747.30 × 97,278.17
  4. Step 4: Simplify right side
    173,770.34x = 23,322,178,549.95
  5. Step 5: Solve for x
    x = 23,322,178,549.95/173,770.34
  6. Step 6: Final answer
    x = 134,212.66

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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.