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Finding the Fourth Proportional to 98,155.49, 147,248.72 and 41,995.96

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Solution

The fourth proportional to 98,155.49, 147,248.72 and 41,995.96 is: 63,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,155.49 : 147,248.72 = 41,995.96 : x
  2. Step 2: Convert to fraction form
    98,155.49/147,248.72 = 41,995.96/x
  3. Step 3: Cross multiply
    98,155.49x = 147,248.72 × 41,995.96
  4. Step 4: Simplify right side
    98,155.49x = 6,183,850,882.06
  5. Step 5: Solve for x
    x = 6,183,850,882.06/98,155.49
  6. Step 6: Final answer
    x = 63,000.56

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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.