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Finding the Fourth Proportional to 61,959.16, 93,033.51 and 54,625.42

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Solution

The fourth proportional to 61,959.16, 93,033.51 and 54,625.42 is: 82,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,959.16 : 93,033.51 = 54,625.42 : x
  2. Step 2: Convert to fraction form
    61,959.16/93,033.51 = 54,625.42/x
  3. Step 3: Cross multiply
    61,959.16x = 93,033.51 × 54,625.42
  4. Step 4: Simplify right side
    61,959.16x = 5,081,994,557.82
  5. Step 5: Solve for x
    x = 5,081,994,557.82/61,959.16
  6. Step 6: Final answer
    x = 82,021.68

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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.