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Finding the Fourth Proportional to 234,159.84, 351,239.78 and 56,666.87

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Solution

The fourth proportional to 234,159.84, 351,239.78 and 56,666.87 is: 85,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,159.84 : 351,239.78 = 56,666.87 : x
  2. Step 2: Convert to fraction form
    234,159.84/351,239.78 = 56,666.87/x
  3. Step 3: Cross multiply
    234,159.84x = 351,239.78 × 56,666.87
  4. Step 4: Simplify right side
    234,159.84x = 19,903,656,912.56
  5. Step 5: Solve for x
    x = 19,903,656,912.56/234,159.84
  6. Step 6: Final answer
    x = 85,000.30

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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.