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Finding the Fourth Proportional to 88,996, 133,390.32 and 49,534.24

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Solution

The fourth proportional to 88,996, 133,390.32 and 49,534.24 is: 74,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,996 : 133,390.32 = 49,534.24 : x
  2. Step 2: Convert to fraction form
    88,996/133,390.32 = 49,534.24/x
  3. Step 3: Cross multiply
    88,996x = 133,390.32 × 49,534.24
  4. Step 4: Simplify right side
    88,996x = 6,607,388,124.56
  5. Step 5: Solve for x
    x = 6,607,388,124.56/88,996
  6. Step 6: Final answer
    x = 74,243.65

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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.