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Finding the Fourth Proportional to 110,360.40, 165,443.40 and 66,004.80

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Solution

The fourth proportional to 110,360.40, 165,443.40 and 66,004.80 is: 98,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,360.40 : 165,443.40 = 66,004.80 : x
  2. Step 2: Convert to fraction form
    110,360.40/165,443.40 = 66,004.80/x
  3. Step 3: Cross multiply
    110,360.40x = 165,443.40 × 66,004.80
  4. Step 4: Simplify right side
    110,360.40x = 10,920,058,528.32
  5. Step 5: Solve for x
    x = 10,920,058,528.32/110,360.40
  6. Step 6: Final answer
    x = 98,949.07

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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.