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Finding the Fourth Proportional to 88,994, 133,387.32 and 49,532.24

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Solution

The fourth proportional to 88,994, 133,387.32 and 49,532.24 is: 74,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,994 : 133,387.32 = 49,532.24 : x
  2. Step 2: Convert to fraction form
    88,994/133,387.32 = 49,532.24/x
  3. Step 3: Cross multiply
    88,994x = 133,387.32 × 49,532.24
  4. Step 4: Simplify right side
    88,994x = 6,606,972,747.20
  5. Step 5: Solve for x
    x = 6,606,972,747.20/88,994
  6. Step 6: Final answer
    x = 74,240.65

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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.