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Finding the Fourth Proportional to 237,964.72, 328,205.72 and 147,370.98

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Solution

The fourth proportional to 237,964.72, 328,205.72 and 147,370.98 is: 203,257.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,964.72 : 328,205.72 = 147,370.98 : x
  2. Step 2: Convert to fraction form
    237,964.72/328,205.72 = 147,370.98/x
  3. Step 3: Cross multiply
    237,964.72x = 328,205.72 × 147,370.98
  4. Step 4: Simplify right side
    237,964.72x = 48,367,998,598.01
  5. Step 5: Solve for x
    x = 48,367,998,598.01/237,964.72
  6. Step 6: Final answer
    x = 203,257.01

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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.