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Finding the Fourth Proportional to 88,894.20, 133,337.74 and 48,992.28

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Solution

The fourth proportional to 88,894.20, 133,337.74 and 48,992.28 is: 73,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894.20 : 133,337.74 = 48,992.28 : x
  2. Step 2: Convert to fraction form
    88,894.20/133,337.74 = 48,992.28/x
  3. Step 3: Cross multiply
    88,894.20x = 133,337.74 × 48,992.28
  4. Step 4: Simplify right side
    88,894.20x = 6,532,519,647.69
  5. Step 5: Solve for x
    x = 6,532,519,647.69/88,894.20
  6. Step 6: Final answer
    x = 73,486.46

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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.