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Finding the Fourth Proportional to 160,899,286.80, 241,474,901.40 and 74,648,380.80

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Solution

The fourth proportional to 160,899,286.80, 241,474,901.40 and 74,648,380.80 is: 112,031,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,899,286.80 : 241,474,901.40 = 74,648,380.80 : x
  2. Step 2: Convert to fraction form
    160,899,286.80/241,474,901.40 = 74,648,380.80/x
  3. Step 3: Cross multiply
    160,899,286.80x = 241,474,901.40 × 74,648,380.80
  4. Step 4: Simplify right side
    160,899,286.80x = 18,025,710,393,349,652
  5. Step 5: Solve for x
    x = 18,025,710,393,349,652/160,899,286.80
  6. Step 6: Final answer
    x = 112,031,014.88

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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.