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Finding the Fourth Proportional to 237,687.86, 356,524.47 and 97,340.78

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Solution

The fourth proportional to 237,687.86, 356,524.47 and 97,340.78 is: 146,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,687.86 : 356,524.47 = 97,340.78 : x
  2. Step 2: Convert to fraction form
    237,687.86/356,524.47 = 97,340.78/x
  3. Step 3: Cross multiply
    237,687.86x = 356,524.47 × 97,340.78
  4. Step 4: Simplify right side
    237,687.86x = 34,704,369,998.89
  5. Step 5: Solve for x
    x = 34,704,369,998.89/237,687.86
  6. Step 6: Final answer
    x = 146,008.17

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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.