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Finding the Fourth Proportional to 98,818.92, 148,097.16 and 63,214.56

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Solution

The fourth proportional to 98,818.92, 148,097.16 and 63,214.56 is: 94,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,818.92 : 148,097.16 = 63,214.56 : x
  2. Step 2: Convert to fraction form
    98,818.92/148,097.16 = 63,214.56/x
  3. Step 3: Cross multiply
    98,818.92x = 148,097.16 × 63,214.56
  4. Step 4: Simplify right side
    98,818.92x = 9,361,896,806.65
  5. Step 5: Solve for x
    x = 9,361,896,806.65/98,818.92
  6. Step 6: Final answer
    x = 94,737.90

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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.