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Finding the Fourth Proportional to 186,613.92, 257,530.56 and 101,734.56

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Solution

The fourth proportional to 186,613.92, 257,530.56 and 101,734.56 is: 140,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,613.92 : 257,530.56 = 101,734.56 : x
  2. Step 2: Convert to fraction form
    186,613.92/257,530.56 = 101,734.56/x
  3. Step 3: Cross multiply
    186,613.92x = 257,530.56 × 101,734.56
  4. Step 4: Simplify right side
    186,613.92x = 26,199,758,208.15
  5. Step 5: Solve for x
    x = 26,199,758,208.15/186,613.92
  6. Step 6: Final answer
    x = 140,395.52

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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.