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Finding the Fourth Proportional to 200,915.80, 301,164.10 and 67,750.27

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Solution

The fourth proportional to 200,915.80, 301,164.10 and 67,750.27 is: 101,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,915.80 : 301,164.10 = 67,750.27 : x
  2. Step 2: Convert to fraction form
    200,915.80/301,164.10 = 67,750.27/x
  3. Step 3: Cross multiply
    200,915.80x = 301,164.10 × 67,750.27
  4. Step 4: Simplify right side
    200,915.80x = 20,403,948,167.02
  5. Step 5: Solve for x
    x = 20,403,948,167.02/200,915.80
  6. Step 6: Final answer
    x = 101,554.72

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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.