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Finding the Fourth Proportional to 242,051.60, 363,077.40 and 238,163.60

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Solution

The fourth proportional to 242,051.60, 363,077.40 and 238,163.60 is: 357,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,051.60 : 363,077.40 = 238,163.60 : x
  2. Step 2: Convert to fraction form
    242,051.60/363,077.40 = 238,163.60/x
  3. Step 3: Cross multiply
    242,051.60x = 363,077.40 × 238,163.60
  4. Step 4: Simplify right side
    242,051.60x = 86,471,820,662.64
  5. Step 5: Solve for x
    x = 86,471,820,662.64/242,051.60
  6. Step 6: Final answer
    x = 357,245.40

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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.