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Finding the Fourth Proportional to 73,900.19, 101,982.27 and 40,366.19

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Solution

The fourth proportional to 73,900.19, 101,982.27 and 40,366.19 is: 55,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,900.19 : 101,982.27 = 40,366.19 : x
  2. Step 2: Convert to fraction form
    73,900.19/101,982.27 = 40,366.19/x
  3. Step 3: Cross multiply
    73,900.19x = 101,982.27 × 40,366.19
  4. Step 4: Simplify right side
    73,900.19x = 4,116,635,687.45
  5. Step 5: Solve for x
    x = 4,116,635,687.45/73,900.19
  6. Step 6: Final answer
    x = 55,705.35

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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.