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Finding the Fourth Proportional to 212,658.01, 319,049.39 and 62,902.24

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Solution

The fourth proportional to 212,658.01, 319,049.39 and 62,902.24 is: 94,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,658.01 : 319,049.39 = 62,902.24 : x
  2. Step 2: Convert to fraction form
    212,658.01/319,049.39 = 62,902.24/x
  3. Step 3: Cross multiply
    212,658.01x = 319,049.39 × 62,902.24
  4. Step 4: Simplify right side
    212,658.01x = 20,068,920,987.12
  5. Step 5: Solve for x
    x = 20,068,920,987.12/212,658.01
  6. Step 6: Final answer
    x = 94,371.81

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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.