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Finding the Fourth Proportional to 65,466.78, 98,186.28 and 29,917.99

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Solution

The fourth proportional to 65,466.78, 98,186.28 and 29,917.99 is: 44,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,466.78 : 98,186.28 = 29,917.99 : x
  2. Step 2: Convert to fraction form
    65,466.78/98,186.28 = 29,917.99/x
  3. Step 3: Cross multiply
    65,466.78x = 98,186.28 × 29,917.99
  4. Step 4: Simplify right side
    65,466.78x = 2,937,536,143.18
  5. Step 5: Solve for x
    x = 2,937,536,143.18/65,466.78
  6. Step 6: Final answer
    x = 44,870.64

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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.