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Finding the Fourth Proportional to 73,837.92, 101,896.20 and 40,303.92

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Solution

The fourth proportional to 73,837.92, 101,896.20 and 40,303.92 is: 55,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,837.92 : 101,896.20 = 40,303.92 : x
  2. Step 2: Convert to fraction form
    73,837.92/101,896.20 = 40,303.92/x
  3. Step 3: Cross multiply
    73,837.92x = 101,896.20 × 40,303.92
  4. Step 4: Simplify right side
    73,837.92x = 4,106,816,293.10
  5. Step 5: Solve for x
    x = 4,106,816,293.10/73,837.92
  6. Step 6: Final answer
    x = 55,619.34

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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.