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Finding the Fourth Proportional to 377,860.05, 566,864.82 and 107,990.61

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Solution

The fourth proportional to 377,860.05, 566,864.82 and 107,990.61 is: 162,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,860.05 : 566,864.82 = 107,990.61 : x
  2. Step 2: Convert to fraction form
    377,860.05/566,864.82 = 107,990.61/x
  3. Step 3: Cross multiply
    377,860.05x = 566,864.82 × 107,990.61
  4. Step 4: Simplify right side
    377,860.05x = 61,216,077,699.34
  5. Step 5: Solve for x
    x = 61,216,077,699.34/377,860.05
  6. Step 6: Final answer
    x = 162,007.28

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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.