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Finding the Fourth Proportional to 200,286.70, 300,533.58 and 88,045.72

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Solution

The fourth proportional to 200,286.70, 300,533.58 and 88,045.72 is: 132,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,286.70 : 300,533.58 = 88,045.72 : x
  2. Step 2: Convert to fraction form
    200,286.70/300,533.58 = 88,045.72/x
  3. Step 3: Cross multiply
    200,286.70x = 300,533.58 × 88,045.72
  4. Step 4: Simplify right side
    200,286.70x = 26,460,695,435.28
  5. Step 5: Solve for x
    x = 26,460,695,435.28/200,286.70
  6. Step 6: Final answer
    x = 132,114.09

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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.