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Finding the Fourth Proportional to 153,361.70, 230,042.55 and 48,191.30

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Solution

The fourth proportional to 153,361.70, 230,042.55 and 48,191.30 is: 72,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,361.70 : 230,042.55 = 48,191.30 : x
  2. Step 2: Convert to fraction form
    153,361.70/230,042.55 = 48,191.30/x
  3. Step 3: Cross multiply
    153,361.70x = 230,042.55 × 48,191.30
  4. Step 4: Simplify right side
    153,361.70x = 11,086,049,539.82
  5. Step 5: Solve for x
    x = 11,086,049,539.82/153,361.70
  6. Step 6: Final answer
    x = 72,286.95

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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.