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Finding the Fourth Proportional to 196,293.48, 270,612.90 and 132,530.28

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Solution

The fourth proportional to 196,293.48, 270,612.90 and 132,530.28 is: 182,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,293.48 : 270,612.90 = 132,530.28 : x
  2. Step 2: Convert to fraction form
    196,293.48/270,612.90 = 132,530.28/x
  3. Step 3: Cross multiply
    196,293.48x = 270,612.90 × 132,530.28
  4. Step 4: Simplify right side
    196,293.48x = 35,864,403,408.61
  5. Step 5: Solve for x
    x = 35,864,403,408.61/196,293.48
  6. Step 6: Final answer
    x = 182,708.07

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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.