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Finding the Fourth Proportional to 264,602.82, 365,154.40 and 143,745

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Solution

The fourth proportional to 264,602.82, 365,154.40 and 143,745 is: 198,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,602.82 : 365,154.40 = 143,745 : x
  2. Step 2: Convert to fraction form
    264,602.82/365,154.40 = 143,745/x
  3. Step 3: Cross multiply
    264,602.82x = 365,154.40 × 143,745
  4. Step 4: Simplify right side
    264,602.82x = 52,489,119,228
  5. Step 5: Solve for x
    x = 52,489,119,228/264,602.82
  6. Step 6: Final answer
    x = 198,369.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.