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Finding the Fourth Proportional to 64,402.69, 88,773.02 and 50,768.49

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Solution

The fourth proportional to 64,402.69, 88,773.02 and 50,768.49 is: 69,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,402.69 : 88,773.02 = 50,768.49 : x
  2. Step 2: Convert to fraction form
    64,402.69/88,773.02 = 50,768.49/x
  3. Step 3: Cross multiply
    64,402.69x = 88,773.02 × 50,768.49
  4. Step 4: Simplify right side
    64,402.69x = 4,506,872,178.14
  5. Step 5: Solve for x
    x = 4,506,872,178.14/64,402.69
  6. Step 6: Final answer
    x = 69,979.56

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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.