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Finding the Fourth Proportional to 88,814, 133,241.94 and 28,842.28

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Solution

The fourth proportional to 88,814, 133,241.94 and 28,842.28 is: 43,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,814 : 133,241.94 = 28,842.28 : x
  2. Step 2: Convert to fraction form
    88,814/133,241.94 = 28,842.28/x
  3. Step 3: Cross multiply
    88,814x = 133,241.94 × 28,842.28
  4. Step 4: Simplify right side
    88,814x = 3,843,001,341.22
  5. Step 5: Solve for x
    x = 3,843,001,341.22/88,814
  6. Step 6: Final answer
    x = 43,270.22

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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.