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Finding the Fourth Proportional to 110,608.22, 152,603.24 and 65,270.90

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Solution

The fourth proportional to 110,608.22, 152,603.24 and 65,270.90 is: 90,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,608.22 : 152,603.24 = 65,270.90 : x
  2. Step 2: Convert to fraction form
    110,608.22/152,603.24 = 65,270.90/x
  3. Step 3: Cross multiply
    110,608.22x = 152,603.24 × 65,270.90
  4. Step 4: Simplify right side
    110,608.22x = 9,960,550,817.72
  5. Step 5: Solve for x
    x = 9,960,550,817.72/110,608.22
  6. Step 6: Final answer
    x = 90,052.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.