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Finding the Fourth Proportional to 276,325.16, 381,326.82 and 157,093.16

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Solution

The fourth proportional to 276,325.16, 381,326.82 and 157,093.16 is: 216,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,325.16 : 381,326.82 = 157,093.16 : x
  2. Step 2: Convert to fraction form
    276,325.16/381,326.82 = 157,093.16/x
  3. Step 3: Cross multiply
    276,325.16x = 381,326.82 × 157,093.16
  4. Step 4: Simplify right side
    276,325.16x = 59,903,835,146.55
  5. Step 5: Solve for x
    x = 59,903,835,146.55/276,325.16
  6. Step 6: Final answer
    x = 216,787.48

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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.