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Finding the Fourth Proportional to 178,241.76, 267,493.32 and 143,599.68

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Solution

The fourth proportional to 178,241.76, 267,493.32 and 143,599.68 is: 215,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,241.76 : 267,493.32 = 143,599.68 : x
  2. Step 2: Convert to fraction form
    178,241.76/267,493.32 = 143,599.68/x
  3. Step 3: Cross multiply
    178,241.76x = 267,493.32 × 143,599.68
  4. Step 4: Simplify right side
    178,241.76x = 38,411,955,154.14
  5. Step 5: Solve for x
    x = 38,411,955,154.14/178,241.76
  6. Step 6: Final answer
    x = 215,504.80

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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.