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Finding the Fourth Proportional to 119,282.90, 164,608.55 and 65,566.77

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Solution

The fourth proportional to 119,282.90, 164,608.55 and 65,566.77 is: 90,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,282.90 : 164,608.55 = 65,566.77 : x
  2. Step 2: Convert to fraction form
    119,282.90/164,608.55 = 65,566.77/x
  3. Step 3: Cross multiply
    119,282.90x = 164,608.55 × 65,566.77
  4. Step 4: Simplify right side
    119,282.90x = 10,792,850,937.88
  5. Step 5: Solve for x
    x = 10,792,850,937.88/119,282.90
  6. Step 6: Final answer
    x = 90,481.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.