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Finding the Fourth Proportional to 234,179.94, 351,270.81 and 56,686.65

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Solution

The fourth proportional to 234,179.94, 351,270.81 and 56,686.65 is: 85,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,179.94 : 351,270.81 = 56,686.65 : x
  2. Step 2: Convert to fraction form
    234,179.94/351,270.81 = 56,686.65/x
  3. Step 3: Cross multiply
    234,179.94x = 351,270.81 × 56,686.65
  4. Step 4: Simplify right side
    234,179.94x = 19,912,365,461.69
  5. Step 5: Solve for x
    x = 19,912,365,461.69/234,179.94
  6. Step 6: Final answer
    x = 85,030.19

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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.