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Finding the Fourth Proportional to 61,260.30, 91,878.30 and 29,670.30

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Solution

The fourth proportional to 61,260.30, 91,878.30 and 29,670.30 is: 44,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,260.30 : 91,878.30 = 29,670.30 : x
  2. Step 2: Convert to fraction form
    61,260.30/91,878.30 = 29,670.30/x
  3. Step 3: Cross multiply
    61,260.30x = 91,878.30 × 29,670.30
  4. Step 4: Simplify right side
    61,260.30x = 2,726,056,724.49
  5. Step 5: Solve for x
    x = 2,726,056,724.49/61,260.30
  6. Step 6: Final answer
    x = 44,499.57

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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.