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Finding the Fourth Proportional to 159,670.29, 239,435.90 and 45,792.95

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Solution

The fourth proportional to 159,670.29, 239,435.90 and 45,792.95 is: 68,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,670.29 : 239,435.90 = 45,792.95 : x
  2. Step 2: Convert to fraction form
    159,670.29/239,435.90 = 45,792.95/x
  3. Step 3: Cross multiply
    159,670.29x = 239,435.90 × 45,792.95
  4. Step 4: Simplify right side
    159,670.29x = 10,964,474,770.76
  5. Step 5: Solve for x
    x = 10,964,474,770.76/159,670.29
  6. Step 6: Final answer
    x = 68,669.47

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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.