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Finding the Fourth Proportional to 173,248, 239,082.36 and 93,760

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Solution

The fourth proportional to 173,248, 239,082.36 and 93,760 is: 129,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,248 : 239,082.36 = 93,760 : x
  2. Step 2: Convert to fraction form
    173,248/239,082.36 = 93,760/x
  3. Step 3: Cross multiply
    173,248x = 239,082.36 × 93,760
  4. Step 4: Simplify right side
    173,248x = 22,416,362,073.60
  5. Step 5: Solve for x
    x = 22,416,362,073.60/173,248
  6. Step 6: Final answer
    x = 129,388.86

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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.