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Finding the Fourth Proportional to 127,369, 191,082.66 and 44,263

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Solution

The fourth proportional to 127,369, 191,082.66 and 44,263 is: 66,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,369 : 191,082.66 = 44,263 : x
  2. Step 2: Convert to fraction form
    127,369/191,082.66 = 44,263/x
  3. Step 3: Cross multiply
    127,369x = 191,082.66 × 44,263
  4. Step 4: Simplify right side
    127,369x = 8,457,891,779.58
  5. Step 5: Solve for x
    x = 8,457,891,779.58/127,369
  6. Step 6: Final answer
    x = 66,404.63

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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.