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Finding the Fourth Proportional to 73,154.40, 100,947.60 and 41,323.20

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Solution

The fourth proportional to 73,154.40, 100,947.60 and 41,323.20 is: 57,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,154.40 : 100,947.60 = 41,323.20 : x
  2. Step 2: Convert to fraction form
    73,154.40/100,947.60 = 41,323.20/x
  3. Step 3: Cross multiply
    73,154.40x = 100,947.60 × 41,323.20
  4. Step 4: Simplify right side
    73,154.40x = 4,171,477,864.32
  5. Step 5: Solve for x
    x = 4,171,477,864.32/73,154.40
  6. Step 6: Final answer
    x = 57,022.92

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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.