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Finding the Fourth Proportional to 61,758.72, 92,416.59 and 53,467.25

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Solution

The fourth proportional to 61,758.72, 92,416.59 and 53,467.25 is: 80,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,758.72 : 92,416.59 = 53,467.25 : x
  2. Step 2: Convert to fraction form
    61,758.72/92,416.59 = 53,467.25/x
  3. Step 3: Cross multiply
    61,758.72x = 92,416.59 × 53,467.25
  4. Step 4: Simplify right side
    61,758.72x = 4,941,260,459.59
  5. Step 5: Solve for x
    x = 4,941,260,459.59/61,758.72
  6. Step 6: Final answer
    x = 80,009.11

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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.