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Finding the Fourth Proportional to 212,800.74, 293,667.07 and 117,310.88

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Solution

The fourth proportional to 212,800.74, 293,667.07 and 117,310.88 is: 161,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,800.74 : 293,667.07 = 117,310.88 : x
  2. Step 2: Convert to fraction form
    212,800.74/293,667.07 = 117,310.88/x
  3. Step 3: Cross multiply
    212,800.74x = 293,667.07 × 117,310.88
  4. Step 4: Simplify right side
    212,800.74x = 34,450,342,408.72
  5. Step 5: Solve for x
    x = 34,450,342,408.72/212,800.74
  6. Step 6: Final answer
    x = 161,890.14

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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.