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Finding the Fourth Proportional to 186,602.88, 257,512.32 and 101,719.92

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Solution

The fourth proportional to 186,602.88, 257,512.32 and 101,719.92 is: 140,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,602.88 : 257,512.32 = 101,719.92 : x
  2. Step 2: Convert to fraction form
    186,602.88/257,512.32 = 101,719.92/x
  3. Step 3: Cross multiply
    186,602.88x = 257,512.32 × 101,719.92
  4. Step 4: Simplify right side
    186,602.88x = 26,194,132,589.41
  5. Step 5: Solve for x
    x = 26,194,132,589.41/186,602.88
  6. Step 6: Final answer
    x = 140,373.68

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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.