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Finding the Fourth Proportional to 118,727.36, 178,119.84 and 35,621.36

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Solution

The fourth proportional to 118,727.36, 178,119.84 and 35,621.36 is: 53,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,727.36 : 178,119.84 = 35,621.36 : x
  2. Step 2: Convert to fraction form
    118,727.36/178,119.84 = 35,621.36/x
  3. Step 3: Cross multiply
    118,727.36x = 178,119.84 × 35,621.36
  4. Step 4: Simplify right side
    118,727.36x = 6,344,870,943.78
  5. Step 5: Solve for x
    x = 6,344,870,943.78/118,727.36
  6. Step 6: Final answer
    x = 53,440.68

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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.