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Finding the Fourth Proportional to 200,432.48, 276,604.08 and 111,008.48

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Solution

The fourth proportional to 200,432.48, 276,604.08 and 111,008.48 is: 153,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,432.48 : 276,604.08 = 111,008.48 : x
  2. Step 2: Convert to fraction form
    200,432.48/276,604.08 = 111,008.48/x
  3. Step 3: Cross multiply
    200,432.48x = 276,604.08 × 111,008.48
  4. Step 4: Simplify right side
    200,432.48x = 30,705,398,482.60
  5. Step 5: Solve for x
    x = 30,705,398,482.60/200,432.48
  6. Step 6: Final answer
    x = 153,195.72

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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.