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Finding the Fourth Proportional to 67,871.51, 101,256.17 and 64,197.35

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Solution

The fourth proportional to 67,871.51, 101,256.17 and 64,197.35 is: 95,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.51 : 101,256.17 = 64,197.35 : x
  2. Step 2: Convert to fraction form
    67,871.51/101,256.17 = 64,197.35/x
  3. Step 3: Cross multiply
    67,871.51x = 101,256.17 × 64,197.35
  4. Step 4: Simplify right side
    67,871.51x = 6,500,377,464.16
  5. Step 5: Solve for x
    x = 6,500,377,464.16/67,871.51
  6. Step 6: Final answer
    x = 95,774.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.