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Finding the Fourth Proportional to 173,460, 239,375.12 and 93,972

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Solution

The fourth proportional to 173,460, 239,375.12 and 93,972 is: 129,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,460 : 239,375.12 = 93,972 : x
  2. Step 2: Convert to fraction form
    173,460/239,375.12 = 93,972/x
  3. Step 3: Cross multiply
    173,460x = 239,375.12 × 93,972
  4. Step 4: Simplify right side
    173,460x = 22,494,558,776.64
  5. Step 5: Solve for x
    x = 22,494,558,776.64/173,460
  6. Step 6: Final answer
    x = 129,681.53

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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.