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Finding the Fourth Proportional to 134,615.20, 201,922.80 and 41,108.80

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Solution

The fourth proportional to 134,615.20, 201,922.80 and 41,108.80 is: 61,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,615.20 : 201,922.80 = 41,108.80 : x
  2. Step 2: Convert to fraction form
    134,615.20/201,922.80 = 41,108.80/x
  3. Step 3: Cross multiply
    134,615.20x = 201,922.80 × 41,108.80
  4. Step 4: Simplify right side
    134,615.20x = 8,300,804,000.64
  5. Step 5: Solve for x
    x = 8,300,804,000.64/134,615.20
  6. Step 6: Final answer
    x = 61,663.20

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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.