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Finding the Fourth Proportional to 206,153.15, 309,294.30 and 62,064.68

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Solution

The fourth proportional to 206,153.15, 309,294.30 and 62,064.68 is: 93,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,153.15 : 309,294.30 = 62,064.68 : x
  2. Step 2: Convert to fraction form
    206,153.15/309,294.30 = 62,064.68/x
  3. Step 3: Cross multiply
    206,153.15x = 309,294.30 × 62,064.68
  4. Step 4: Simplify right side
    206,153.15x = 19,196,251,832.26
  5. Step 5: Solve for x
    x = 19,196,251,832.26/206,153.15
  6. Step 6: Final answer
    x = 93,116.46

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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.