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Finding the Fourth Proportional to 61,099.88, 91,649.75 and 16,730.10

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Solution

The fourth proportional to 61,099.88, 91,649.75 and 16,730.10 is: 25,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,099.88 : 91,649.75 = 16,730.10 : x
  2. Step 2: Convert to fraction form
    61,099.88/91,649.75 = 16,730.10/x
  3. Step 3: Cross multiply
    61,099.88x = 91,649.75 × 16,730.10
  4. Step 4: Simplify right side
    61,099.88x = 1,533,309,398.82
  5. Step 5: Solve for x
    x = 1,533,309,398.82/61,099.88
  6. Step 6: Final answer
    x = 25,095.13

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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.