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Finding the Fourth Proportional to 61,611.03, 92,259 and 49,149.18

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Solution

The fourth proportional to 61,611.03, 92,259 and 49,149.18 is: 73,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,611.03 : 92,259 = 49,149.18 : x
  2. Step 2: Convert to fraction form
    61,611.03/92,259 = 49,149.18/x
  3. Step 3: Cross multiply
    61,611.03x = 92,259 × 49,149.18
  4. Step 4: Simplify right side
    61,611.03x = 4,534,454,197.62
  5. Step 5: Solve for x
    x = 4,534,454,197.62/61,611.03
  6. Step 6: Final answer
    x = 73,598.09

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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.