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Finding the Fourth Proportional to 73,040.40, 109,366.20 and 73,040.40

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Solution

The fourth proportional to 73,040.40, 109,366.20 and 73,040.40 is: 109,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,040.40 : 109,366.20 = 73,040.40 : x
  2. Step 2: Convert to fraction form
    73,040.40/109,366.20 = 73,040.40/x
  3. Step 3: Cross multiply
    73,040.40x = 109,366.20 × 73,040.40
  4. Step 4: Simplify right side
    73,040.40x = 7,988,150,994.48
  5. Step 5: Solve for x
    x = 7,988,150,994.48/73,040.40
  6. Step 6: Final answer
    x = 109,366.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.