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Finding the Fourth Proportional to 147,360.30, 220,883.06 and 84,044.10

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Solution

The fourth proportional to 147,360.30, 220,883.06 and 84,044.10 is: 125,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,360.30 : 220,883.06 = 84,044.10 : x
  2. Step 2: Convert to fraction form
    147,360.30/220,883.06 = 84,044.10/x
  3. Step 3: Cross multiply
    147,360.30x = 220,883.06 × 84,044.10
  4. Step 4: Simplify right side
    147,360.30x = 18,563,918,745.26
  5. Step 5: Solve for x
    x = 18,563,918,745.26/147,360.30
  6. Step 6: Final answer
    x = 125,976.40

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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.