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Finding the Fourth Proportional to 200,393.84, 276,543.42 and 110,969.84

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Solution

The fourth proportional to 200,393.84, 276,543.42 and 110,969.84 is: 153,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,393.84 : 276,543.42 = 110,969.84 : x
  2. Step 2: Convert to fraction form
    200,393.84/276,543.42 = 110,969.84/x
  3. Step 3: Cross multiply
    200,393.84x = 276,543.42 × 110,969.84
  4. Step 4: Simplify right side
    200,393.84x = 30,687,979,070.45
  5. Step 5: Solve for x
    x = 30,687,979,070.45/200,393.84
  6. Step 6: Final answer
    x = 153,138.34

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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.