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Finding the Fourth Proportional to 334,299.08, 501,449.72 and 84,981.08

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Solution

The fourth proportional to 334,299.08, 501,449.72 and 84,981.08 is: 127,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,299.08 : 501,449.72 = 84,981.08 : x
  2. Step 2: Convert to fraction form
    334,299.08/501,449.72 = 84,981.08/x
  3. Step 3: Cross multiply
    334,299.08x = 501,449.72 × 84,981.08
  4. Step 4: Simplify right side
    334,299.08x = 42,613,738,771.30
  5. Step 5: Solve for x
    x = 42,613,738,771.30/334,299.08
  6. Step 6: Final answer
    x = 127,471.90

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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.