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Finding the Fourth Proportional to 242,157.40, 363,149.70 and 92,358.52

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Solution

The fourth proportional to 242,157.40, 363,149.70 and 92,358.52 is: 138,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,157.40 : 363,149.70 = 92,358.52 : x
  2. Step 2: Convert to fraction form
    242,157.40/363,149.70 = 92,358.52/x
  3. Step 3: Cross multiply
    242,157.40x = 363,149.70 × 92,358.52
  4. Step 4: Simplify right side
    242,157.40x = 33,539,968,830.44
  5. Step 5: Solve for x
    x = 33,539,968,830.44/242,157.40
  6. Step 6: Final answer
    x = 138,504.83

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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.