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Finding the Fourth Proportional to 212,677.81, 293,508.48 and 117,184.48

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Solution

The fourth proportional to 212,677.81, 293,508.48 and 117,184.48 is: 161,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,677.81 : 293,508.48 = 117,184.48 : x
  2. Step 2: Convert to fraction form
    212,677.81/293,508.48 = 117,184.48/x
  3. Step 3: Cross multiply
    212,677.81x = 293,508.48 × 117,184.48
  4. Step 4: Simplify right side
    212,677.81x = 34,394,638,604.39
  5. Step 5: Solve for x
    x = 34,394,638,604.39/212,677.81
  6. Step 6: Final answer
    x = 161,721.80

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1.5x scale

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.