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Finding the Fourth Proportional to 64,855.93, 97,291.86 and 22,168.42

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Solution

The fourth proportional to 64,855.93, 97,291.86 and 22,168.42 is: 33,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,855.93 : 97,291.86 = 22,168.42 : x
  2. Step 2: Convert to fraction form
    64,855.93/97,291.86 = 22,168.42/x
  3. Step 3: Cross multiply
    64,855.93x = 97,291.86 × 22,168.42
  4. Step 4: Simplify right side
    64,855.93x = 2,156,806,815.06
  5. Step 5: Solve for x
    x = 2,156,806,815.06/64,855.93
  6. Step 6: Final answer
    x = 33,255.35

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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.