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Finding the Fourth Proportional to 237,157.36, 355,876.32 and 87,502.88

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Solution

The fourth proportional to 237,157.36, 355,876.32 and 87,502.88 is: 131,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,157.36 : 355,876.32 = 87,502.88 : x
  2. Step 2: Convert to fraction form
    237,157.36/355,876.32 = 87,502.88/x
  3. Step 3: Cross multiply
    237,157.36x = 355,876.32 × 87,502.88
  4. Step 4: Simplify right side
    237,157.36x = 31,140,202,923.80
  5. Step 5: Solve for x
    x = 31,140,202,923.80/237,157.36
  6. Step 6: Final answer
    x = 131,306.08

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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.