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Finding the Fourth Proportional to 306,074.72, 459,113.15 and 92,844.47

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Solution

The fourth proportional to 306,074.72, 459,113.15 and 92,844.47 is: 139,267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,074.72 : 459,113.15 = 92,844.47 : x
  2. Step 2: Convert to fraction form
    306,074.72/459,113.15 = 92,844.47/x
  3. Step 3: Cross multiply
    306,074.72x = 459,113.15 × 92,844.47
  4. Step 4: Simplify right side
    306,074.72x = 42,626,114,321.99
  5. Step 5: Solve for x
    x = 42,626,114,321.99/306,074.72
  6. Step 6: Final answer
    x = 139,267.02

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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.