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Finding the Fourth Proportional to 98,894.48, 148,330.83 and 27,819.38

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Solution

The fourth proportional to 98,894.48, 148,330.83 and 27,819.38 is: 41,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,894.48 : 148,330.83 = 27,819.38 : x
  2. Step 2: Convert to fraction form
    98,894.48/148,330.83 = 27,819.38/x
  3. Step 3: Cross multiply
    98,894.48x = 148,330.83 × 27,819.38
  4. Step 4: Simplify right side
    98,894.48x = 4,126,470,983.83
  5. Step 5: Solve for x
    x = 4,126,470,983.83/98,894.48
  6. Step 6: Final answer
    x = 41,726.00

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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.