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Finding the Fourth Proportional to 306,002.90, 459,069.15 and 92,753.30

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Solution

The fourth proportional to 306,002.90, 459,069.15 and 92,753.30 is: 139,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,002.90 : 459,069.15 = 92,753.30 : x
  2. Step 2: Convert to fraction form
    306,002.90/459,069.15 = 92,753.30/x
  3. Step 3: Cross multiply
    306,002.90x = 459,069.15 × 92,753.30
  4. Step 4: Simplify right side
    306,002.90x = 42,580,178,590.70
  5. Step 5: Solve for x
    x = 42,580,178,590.70/306,002.90
  6. Step 6: Final answer
    x = 139,149.59

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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.