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Finding the Fourth Proportional to 202,678.05, 279,695.77 and 110,797.74

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Solution

The fourth proportional to 202,678.05, 279,695.77 and 110,797.74 is: 152,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,678.05 : 279,695.77 = 110,797.74 : x
  2. Step 2: Convert to fraction form
    202,678.05/279,695.77 = 110,797.74/x
  3. Step 3: Cross multiply
    202,678.05x = 279,695.77 × 110,797.74
  4. Step 4: Simplify right side
    202,678.05x = 30,989,659,203.56
  5. Step 5: Solve for x
    x = 30,989,659,203.56/202,678.05
  6. Step 6: Final answer
    x = 152,900.91

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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.