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Finding the Fourth Proportional to 200,612.16, 300,922.56 and 95,441.76

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Solution

The fourth proportional to 200,612.16, 300,922.56 and 95,441.76 is: 143,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,612.16 : 300,922.56 = 95,441.76 : x
  2. Step 2: Convert to fraction form
    200,612.16/300,922.56 = 95,441.76/x
  3. Step 3: Cross multiply
    200,612.16x = 300,922.56 × 95,441.76
  4. Step 4: Simplify right side
    200,612.16x = 28,720,578,750.11
  5. Step 5: Solve for x
    x = 28,720,578,750.11/200,612.16
  6. Step 6: Final answer
    x = 143,164.70

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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.