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Finding the Fourth Proportional to 108,805.07, 150,143.02 and 60,409.80

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Solution

The fourth proportional to 108,805.07, 150,143.02 and 60,409.80 is: 83,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,805.07 : 150,143.02 = 60,409.80 : x
  2. Step 2: Convert to fraction form
    108,805.07/150,143.02 = 60,409.80/x
  3. Step 3: Cross multiply
    108,805.07x = 150,143.02 × 60,409.80
  4. Step 4: Simplify right side
    108,805.07x = 9,070,109,658.57
  5. Step 5: Solve for x
    x = 9,070,109,658.57/108,805.07
  6. Step 6: Final answer
    x = 83,361.09

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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.