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Finding the Fourth Proportional to 222,820.80, 334,274.40 and 112,012.80

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Solution

The fourth proportional to 222,820.80, 334,274.40 and 112,012.80 is: 168,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,820.80 : 334,274.40 = 112,012.80 : x
  2. Step 2: Convert to fraction form
    222,820.80/334,274.40 = 112,012.80/x
  3. Step 3: Cross multiply
    222,820.80x = 334,274.40 × 112,012.80
  4. Step 4: Simplify right side
    222,820.80x = 37,443,011,512.32
  5. Step 5: Solve for x
    x = 37,443,011,512.32/222,820.80
  6. Step 6: Final answer
    x = 168,040.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.