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Finding the Fourth Proportional to 186,055.60, 256,753.80 and 101,171.92

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Solution

The fourth proportional to 186,055.60, 256,753.80 and 101,171.92 is: 139,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,055.60 : 256,753.80 = 101,171.92 : x
  2. Step 2: Convert to fraction form
    186,055.60/256,753.80 = 101,171.92/x
  3. Step 3: Cross multiply
    186,055.60x = 256,753.80 × 101,171.92
  4. Step 4: Simplify right side
    186,055.60x = 25,976,274,913.30
  5. Step 5: Solve for x
    x = 25,976,274,913.30/186,055.60
  6. Step 6: Final answer
    x = 139,615.66

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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.