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Finding the Fourth Proportional to 237,143.40, 327,393.29 and 156,803.96

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Solution

The fourth proportional to 237,143.40, 327,393.29 and 156,803.96 is: 216,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,143.40 : 327,393.29 = 156,803.96 : x
  2. Step 2: Convert to fraction form
    237,143.40/327,393.29 = 156,803.96/x
  3. Step 3: Cross multiply
    237,143.40x = 327,393.29 × 156,803.96
  4. Step 4: Simplify right side
    237,143.40x = 51,336,561,928.44
  5. Step 5: Solve for x
    x = 51,336,561,928.44/237,143.40
  6. Step 6: Final answer
    x = 216,478.98

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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.