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Finding the Fourth Proportional to 183,615.41, 253,391.15 and 101,945

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Solution

The fourth proportional to 183,615.41, 253,391.15 and 101,945 is: 140,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,615.41 : 253,391.15 = 101,945 : x
  2. Step 2: Convert to fraction form
    183,615.41/253,391.15 = 101,945/x
  3. Step 3: Cross multiply
    183,615.41x = 253,391.15 × 101,945
  4. Step 4: Simplify right side
    183,615.41x = 25,831,960,786.75
  5. Step 5: Solve for x
    x = 25,831,960,786.75/183,615.41
  6. Step 6: Final answer
    x = 140,685.15

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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.