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Finding the Fourth Proportional to 73,812.10, 110,426.55 and 64,059.70

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Solution

The fourth proportional to 73,812.10, 110,426.55 and 64,059.70 is: 95,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,812.10 : 110,426.55 = 64,059.70 : x
  2. Step 2: Convert to fraction form
    73,812.10/110,426.55 = 64,059.70/x
  3. Step 3: Cross multiply
    73,812.10x = 110,426.55 × 64,059.70
  4. Step 4: Simplify right side
    73,812.10x = 7,073,891,665.04
  5. Step 5: Solve for x
    x = 7,073,891,665.04/73,812.10
  6. Step 6: Final answer
    x = 95,836.48

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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.