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Finding the Fourth Proportional to 276,873.53, 382,093.47 and 156,008.16

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Solution

The fourth proportional to 276,873.53, 382,093.47 and 156,008.16 is: 215,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,873.53 : 382,093.47 = 156,008.16 : x
  2. Step 2: Convert to fraction form
    276,873.53/382,093.47 = 156,008.16/x
  3. Step 3: Cross multiply
    276,873.53x = 382,093.47 × 156,008.16
  4. Step 4: Simplify right side
    276,873.53x = 59,609,699,202.72
  5. Step 5: Solve for x
    x = 59,609,699,202.72/276,873.53
  6. Step 6: Final answer
    x = 215,295.77

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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.