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Finding the Fourth Proportional to 242,144.60, 363,192.26 and 64,669.55

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Solution

The fourth proportional to 242,144.60, 363,192.26 and 64,669.55 is: 96,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,144.60 : 363,192.26 = 64,669.55 : x
  2. Step 2: Convert to fraction form
    242,144.60/363,192.26 = 64,669.55/x
  3. Step 3: Cross multiply
    242,144.60x = 363,192.26 × 64,669.55
  4. Step 4: Simplify right side
    242,144.60x = 23,487,477,878.37
  5. Step 5: Solve for x
    x = 23,487,477,878.37/242,144.60
  6. Step 6: Final answer
    x = 96,997.74

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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.