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Finding the Fourth Proportional to 127,617, 191,427.12 and 44,511

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Solution

The fourth proportional to 127,617, 191,427.12 and 44,511 is: 66,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,617 : 191,427.12 = 44,511 : x
  2. Step 2: Convert to fraction form
    127,617/191,427.12 = 44,511/x
  3. Step 3: Cross multiply
    127,617x = 191,427.12 × 44,511
  4. Step 4: Simplify right side
    127,617x = 8,520,612,538.32
  5. Step 5: Solve for x
    x = 8,520,612,538.32/127,617
  6. Step 6: Final answer
    x = 66,767.07

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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.