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Finding the Fourth Proportional to 242,611.58, 334,805.31 and 140,697.47

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Solution

The fourth proportional to 242,611.58, 334,805.31 and 140,697.47 is: 194,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,611.58 : 334,805.31 = 140,697.47 : x
  2. Step 2: Convert to fraction form
    242,611.58/334,805.31 = 140,697.47/x
  3. Step 3: Cross multiply
    242,611.58x = 334,805.31 × 140,697.47
  4. Step 4: Simplify right side
    242,611.58x = 47,106,258,385.54
  5. Step 5: Solve for x
    x = 47,106,258,385.54/242,611.58
  6. Step 6: Final answer
    x = 194,163.27

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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.