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Finding the Fourth Proportional to 237,222.95, 355,778.54 and 87,381.86

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Solution

The fourth proportional to 237,222.95, 355,778.54 and 87,381.86 is: 131,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,222.95 : 355,778.54 = 87,381.86 : x
  2. Step 2: Convert to fraction form
    237,222.95/355,778.54 = 87,381.86/x
  3. Step 3: Cross multiply
    237,222.95x = 355,778.54 × 87,381.86
  4. Step 4: Simplify right side
    237,222.95x = 31,088,590,136.38
  5. Step 5: Solve for x
    x = 31,088,590,136.38/237,222.95
  6. Step 6: Final answer
    x = 131,052.20

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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.