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Finding the Fourth Proportional to 272,667.59, 376,183.86 and 157,883.57

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Solution

The fourth proportional to 272,667.59, 376,183.86 and 157,883.57 is: 217,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,667.59 : 376,183.86 = 157,883.57 : x
  2. Step 2: Convert to fraction form
    272,667.59/376,183.86 = 157,883.57/x
  3. Step 3: Cross multiply
    272,667.59x = 376,183.86 × 157,883.57
  4. Step 4: Simplify right side
    272,667.59x = 59,393,248,912.26
  5. Step 5: Solve for x
    x = 59,393,248,912.26/272,667.59
  6. Step 6: Final answer
    x = 217,822.92

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1.5x scale

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.