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Finding the Fourth Proportional to 212,862.60, 293,751 and 117,367.20

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Solution

The fourth proportional to 212,862.60, 293,751 and 117,367.20 is: 161,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,862.60 : 293,751 = 117,367.20 : x
  2. Step 2: Convert to fraction form
    212,862.60/293,751 = 117,367.20/x
  3. Step 3: Cross multiply
    212,862.60x = 293,751 × 117,367.20
  4. Step 4: Simplify right side
    212,862.60x = 34,476,732,367.20
  5. Step 5: Solve for x
    x = 34,476,732,367.20/212,862.60
  6. Step 6: Final answer
    x = 161,967.07

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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.