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Finding the Fourth Proportional to 251,574.82, 377,285.41 and 71,674.93

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Solution

The fourth proportional to 251,574.82, 377,285.41 and 71,674.93 is: 107,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,574.82 : 377,285.41 = 71,674.93 : x
  2. Step 2: Convert to fraction form
    251,574.82/377,285.41 = 71,674.93/x
  3. Step 3: Cross multiply
    251,574.82x = 377,285.41 × 71,674.93
  4. Step 4: Simplify right side
    251,574.82x = 27,041,905,351.77
  5. Step 5: Solve for x
    x = 27,041,905,351.77/251,574.82
  6. Step 6: Final answer
    x = 107,490.51

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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.