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Finding the Fourth Proportional to 61,520.64, 92,204.82 and 43,722.93

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Solution

The fourth proportional to 61,520.64, 92,204.82 and 43,722.93 is: 65,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,520.64 : 92,204.82 = 43,722.93 : x
  2. Step 2: Convert to fraction form
    61,520.64/92,204.82 = 43,722.93/x
  3. Step 3: Cross multiply
    61,520.64x = 92,204.82 × 43,722.93
  4. Step 4: Simplify right side
    61,520.64x = 4,031,464,890.52
  5. Step 5: Solve for x
    x = 4,031,464,890.52/61,520.64
  6. Step 6: Final answer
    x = 65,530.28

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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.