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Finding the Fourth Proportional to 183,613.41, 253,388.39 and 101,943

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Solution

The fourth proportional to 183,613.41, 253,388.39 and 101,943 is: 140,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,613.41 : 253,388.39 = 101,943 : x
  2. Step 2: Convert to fraction form
    183,613.41/253,388.39 = 101,943/x
  3. Step 3: Cross multiply
    183,613.41x = 253,388.39 × 101,943
  4. Step 4: Simplify right side
    183,613.41x = 25,831,172,132.06
  5. Step 5: Solve for x
    x = 25,831,172,132.06/183,613.41
  6. Step 6: Final answer
    x = 140,682.38

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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.