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Finding the Fourth Proportional to 237,331.32, 356,026.32 and 87,572.40

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Solution

The fourth proportional to 237,331.32, 356,026.32 and 87,572.40 is: 131,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,331.32 : 356,026.32 = 87,572.40 : x
  2. Step 2: Convert to fraction form
    237,331.32/356,026.32 = 87,572.40/x
  3. Step 3: Cross multiply
    237,331.32x = 356,026.32 × 87,572.40
  4. Step 4: Simplify right side
    237,331.32x = 31,178,079,305.57
  5. Step 5: Solve for x
    x = 31,178,079,305.57/237,331.32
  6. Step 6: Final answer
    x = 131,369.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.