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Finding the Fourth Proportional to 61,103.52, 91,776.24 and 37,137.24

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Solution

The fourth proportional to 61,103.52, 91,776.24 and 37,137.24 is: 55,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,103.52 : 91,776.24 = 37,137.24 : x
  2. Step 2: Convert to fraction form
    61,103.52/91,776.24 = 37,137.24/x
  3. Step 3: Cross multiply
    61,103.52x = 91,776.24 × 37,137.24
  4. Step 4: Simplify right side
    61,103.52x = 3,408,316,251.18
  5. Step 5: Solve for x
    x = 3,408,316,251.18/61,103.52
  6. Step 6: Final answer
    x = 55,779.38

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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.