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Finding the Fourth Proportional to 98,018.56, 147,027.92 and 27,897.88

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Solution

The fourth proportional to 98,018.56, 147,027.92 and 27,897.88 is: 41,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,018.56 : 147,027.92 = 27,897.88 : x
  2. Step 2: Convert to fraction form
    98,018.56/147,027.92 = 27,897.88/x
  3. Step 3: Cross multiply
    98,018.56x = 147,027.92 × 27,897.88
  4. Step 4: Simplify right side
    98,018.56x = 4,101,767,268.81
  5. Step 5: Solve for x
    x = 4,101,767,268.81/98,018.56
  6. Step 6: Final answer
    x = 41,846.84

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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.