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Finding the Fourth Proportional to 211,289.82, 291,411.99 and 179,563.74

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Solution

The fourth proportional to 211,289.82, 291,411.99 and 179,563.74 is: 247,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,289.82 : 291,411.99 = 179,563.74 : x
  2. Step 2: Convert to fraction form
    211,289.82/291,411.99 = 179,563.74/x
  3. Step 3: Cross multiply
    211,289.82x = 291,411.99 × 179,563.74
  4. Step 4: Simplify right side
    211,289.82x = 52,327,026,805.24
  5. Step 5: Solve for x
    x = 52,327,026,805.24/211,289.82
  6. Step 6: Final answer
    x = 247,655.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.