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Finding the Fourth Proportional to 107,950.95, 148,932.95 and 67,666.41

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Solution

The fourth proportional to 107,950.95, 148,932.95 and 67,666.41 is: 93,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,950.95 : 148,932.95 = 67,666.41 : x
  2. Step 2: Convert to fraction form
    107,950.95/148,932.95 = 67,666.41/x
  3. Step 3: Cross multiply
    107,950.95x = 148,932.95 × 67,666.41
  4. Step 4: Simplify right side
    107,950.95x = 10,077,757,718.88
  5. Step 5: Solve for x
    x = 10,077,757,718.88/107,950.95
  6. Step 6: Final answer
    x = 93,354.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.