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Finding the Fourth Proportional to 88,936.62, 133,346.34 and 53,317.68

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Solution

The fourth proportional to 88,936.62, 133,346.34 and 53,317.68 is: 79,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,936.62 : 133,346.34 = 53,317.68 : x
  2. Step 2: Convert to fraction form
    88,936.62/133,346.34 = 53,317.68/x
  3. Step 3: Cross multiply
    88,936.62x = 133,346.34 × 53,317.68
  4. Step 4: Simplify right side
    88,936.62x = 7,109,717,485.29
  5. Step 5: Solve for x
    x = 7,109,717,485.29/88,936.62
  6. Step 6: Final answer
    x = 79,941.40

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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.