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Finding the Fourth Proportional to 89,098.52, 122,956 and 48,813.76

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Solution

The fourth proportional to 89,098.52, 122,956 and 48,813.76 is: 67,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,098.52 : 122,956 = 48,813.76 : x
  2. Step 2: Convert to fraction form
    89,098.52/122,956 = 48,813.76/x
  3. Step 3: Cross multiply
    89,098.52x = 122,956 × 48,813.76
  4. Step 4: Simplify right side
    89,098.52x = 6,001,944,674.56
  5. Step 5: Solve for x
    x = 6,001,944,674.56/89,098.52
  6. Step 6: Final answer
    x = 67,363.01

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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.