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Finding the Fourth Proportional to 109,797.19, 151,520.12 and 59,496.19

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Solution

The fourth proportional to 109,797.19, 151,520.12 and 59,496.19 is: 82,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,797.19 : 151,520.12 = 59,496.19 : x
  2. Step 2: Convert to fraction form
    109,797.19/151,520.12 = 59,496.19/x
  3. Step 3: Cross multiply
    109,797.19x = 151,520.12 × 59,496.19
  4. Step 4: Simplify right side
    109,797.19x = 9,014,869,395.17
  5. Step 5: Solve for x
    x = 9,014,869,395.17/109,797.19
  6. Step 6: Final answer
    x = 82,104.74

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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.