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Finding the Fourth Proportional to 109,184.84, 150,644.81 and 65,566.14

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Solution

The fourth proportional to 109,184.84, 150,644.81 and 65,566.14 is: 90,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,184.84 : 150,644.81 = 65,566.14 : x
  2. Step 2: Convert to fraction form
    109,184.84/150,644.81 = 65,566.14/x
  3. Step 3: Cross multiply
    109,184.84x = 150,644.81 × 65,566.14
  4. Step 4: Simplify right side
    109,184.84x = 9,877,198,702.73
  5. Step 5: Solve for x
    x = 9,877,198,702.73/109,184.84
  6. Step 6: Final answer
    x = 90,463.10

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1.5x scale

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.