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Finding the Fourth Proportional to 222,742.40, 334,108.80 and 148,339.20

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Solution

The fourth proportional to 222,742.40, 334,108.80 and 148,339.20 is: 222,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,742.40 : 334,108.80 = 148,339.20 : x
  2. Step 2: Convert to fraction form
    222,742.40/334,108.80 = 148,339.20/x
  3. Step 3: Cross multiply
    222,742.40x = 334,108.80 × 148,339.20
  4. Step 4: Simplify right side
    222,742.40x = 49,561,432,104.96
  5. Step 5: Solve for x
    x = 49,561,432,104.96/222,742.40
  6. Step 6: Final answer
    x = 222,505.60

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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.