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Finding the Fourth Proportional to 237,745.71, 328,122.72 and 147,130.88

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Solution

The fourth proportional to 237,745.71, 328,122.72 and 147,130.88 is: 203,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,745.71 : 328,122.72 = 147,130.88 : x
  2. Step 2: Convert to fraction form
    237,745.71/328,122.72 = 147,130.88/x
  3. Step 3: Cross multiply
    237,745.71x = 328,122.72 × 147,130.88
  4. Step 4: Simplify right side
    237,745.71x = 48,276,982,900.98
  5. Step 5: Solve for x
    x = 48,276,982,900.98/237,745.71
  6. Step 6: Final answer
    x = 203,061.43

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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.