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Finding the Fourth Proportional to 67,926.36, 101,745.90 and 42,953.52

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Solution

The fourth proportional to 67,926.36, 101,745.90 and 42,953.52 is: 64,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,926.36 : 101,745.90 = 42,953.52 : x
  2. Step 2: Convert to fraction form
    67,926.36/101,745.90 = 42,953.52/x
  3. Step 3: Cross multiply
    67,926.36x = 101,745.90 × 42,953.52
  4. Step 4: Simplify right side
    67,926.36x = 4,370,344,550.57
  5. Step 5: Solve for x
    x = 4,370,344,550.57/67,926.36
  6. Step 6: Final answer
    x = 64,339.45

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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.