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Finding the Fourth Proportional to 200,393.72, 276,543.33 and 109,749.90

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Solution

The fourth proportional to 200,393.72, 276,543.33 and 109,749.90 is: 151,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,393.72 : 276,543.33 = 109,749.90 : x
  2. Step 2: Convert to fraction form
    200,393.72/276,543.33 = 109,749.90/x
  3. Step 3: Cross multiply
    200,393.72x = 276,543.33 × 109,749.90
  4. Step 4: Simplify right side
    200,393.72x = 30,350,602,813.17
  5. Step 5: Solve for x
    x = 30,350,602,813.17/200,393.72
  6. Step 6: Final answer
    x = 151,454.86

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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.