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Finding the Fourth Proportional to 105,201.38, 157,803.39 and 35,080.70

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Solution

The fourth proportional to 105,201.38, 157,803.39 and 35,080.70 is: 52,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,201.38 : 157,803.39 = 35,080.70 : x
  2. Step 2: Convert to fraction form
    105,201.38/157,803.39 = 35,080.70/x
  3. Step 3: Cross multiply
    105,201.38x = 157,803.39 × 35,080.70
  4. Step 4: Simplify right side
    105,201.38x = 5,535,852,594.56
  5. Step 5: Solve for x
    x = 5,535,852,594.56/105,201.38
  6. Step 6: Final answer
    x = 52,621.48

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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.