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Finding the Fourth Proportional to 200,537.48, 300,800.55 and 67,425.32

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Solution

The fourth proportional to 200,537.48, 300,800.55 and 67,425.32 is: 101,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,537.48 : 300,800.55 = 67,425.32 : x
  2. Step 2: Convert to fraction form
    200,537.48/300,800.55 = 67,425.32/x
  3. Step 3: Cross multiply
    200,537.48x = 300,800.55 × 67,425.32
  4. Step 4: Simplify right side
    200,537.48x = 20,281,573,339.93
  5. Step 5: Solve for x
    x = 20,281,573,339.93/200,537.48
  6. Step 6: Final answer
    x = 101,136.07

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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.