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Finding the Fourth Proportional to 119,282.40, 164,607.87 and 65,566.27

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Solution

The fourth proportional to 119,282.40, 164,607.87 and 65,566.27 is: 90,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,282.40 : 164,607.87 = 65,566.27 : x
  2. Step 2: Convert to fraction form
    119,282.40/164,607.87 = 65,566.27/x
  3. Step 3: Cross multiply
    119,282.40x = 164,607.87 × 65,566.27
  4. Step 4: Simplify right side
    119,282.40x = 10,792,722,897.67
  5. Step 5: Solve for x
    x = 10,792,722,897.67/119,282.40
  6. Step 6: Final answer
    x = 90,480.43

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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.