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Finding the Fourth Proportional to 186,510, 257,383.92 and 101,627.04

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Solution

The fourth proportional to 186,510, 257,383.92 and 101,627.04 is: 140,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,510 : 257,383.92 = 101,627.04 : x
  2. Step 2: Convert to fraction form
    186,510/257,383.92 = 101,627.04/x
  3. Step 3: Cross multiply
    186,510x = 257,383.92 × 101,627.04
  4. Step 4: Simplify right side
    186,510x = 26,157,165,933.20
  5. Step 5: Solve for x
    x = 26,157,165,933.20/186,510
  6. Step 6: Final answer
    x = 140,245.38

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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.