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Finding the Fourth Proportional to 212,352.61, 293,046.66 and 116,859.30

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Solution

The fourth proportional to 212,352.61, 293,046.66 and 116,859.30 is: 161,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,352.61 : 293,046.66 = 116,859.30 : x
  2. Step 2: Convert to fraction form
    212,352.61/293,046.66 = 116,859.30/x
  3. Step 3: Cross multiply
    212,352.61x = 293,046.66 × 116,859.30
  4. Step 4: Simplify right side
    212,352.61x = 34,245,227,995.41
  5. Step 5: Solve for x
    x = 34,245,227,995.41/212,352.61
  6. Step 6: Final answer
    x = 161,265.87

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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.