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Finding the Fourth Proportional to 67,936.51, 101,871.85 and 28,483.03

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Solution

The fourth proportional to 67,936.51, 101,871.85 and 28,483.03 is: 42,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,936.51 : 101,871.85 = 28,483.03 : x
  2. Step 2: Convert to fraction form
    67,936.51/101,871.85 = 28,483.03/x
  3. Step 3: Cross multiply
    67,936.51x = 101,871.85 × 28,483.03
  4. Step 4: Simplify right side
    67,936.51x = 2,901,618,959.71
  5. Step 5: Solve for x
    x = 2,901,618,959.71/67,936.51
  6. Step 6: Final answer
    x = 42,710.75

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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.