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Finding the Fourth Proportional to 98,672.61, 148,018.25 and 27,595.25

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Solution

The fourth proportional to 98,672.61, 148,018.25 and 27,595.25 is: 41,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,672.61 : 148,018.25 = 27,595.25 : x
  2. Step 2: Convert to fraction form
    98,672.61/148,018.25 = 27,595.25/x
  3. Step 3: Cross multiply
    98,672.61x = 148,018.25 × 27,595.25
  4. Step 4: Simplify right side
    98,672.61x = 4,084,599,735.25
  5. Step 5: Solve for x
    x = 4,084,599,735.25/98,672.61
  6. Step 6: Final answer
    x = 41,395.48

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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.