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Finding the Fourth Proportional to 119,252.80, 164,565.50 and 65,537.80

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Solution

The fourth proportional to 119,252.80, 164,565.50 and 65,537.80 is: 90,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,252.80 : 164,565.50 = 65,537.80 : x
  2. Step 2: Convert to fraction form
    119,252.80/164,565.50 = 65,537.80/x
  3. Step 3: Cross multiply
    119,252.80x = 164,565.50 × 65,537.80
  4. Step 4: Simplify right side
    119,252.80x = 10,785,260,825.90
  5. Step 5: Solve for x
    x = 10,785,260,825.90/119,252.80
  6. Step 6: Final answer
    x = 90,440.32

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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.