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Finding the Fourth Proportional to 186,712.52, 257,660.68 and 101,829.56

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Solution

The fourth proportional to 186,712.52, 257,660.68 and 101,829.56 is: 140,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,712.52 : 257,660.68 = 101,829.56 : x
  2. Step 2: Convert to fraction form
    186,712.52/257,660.68 = 101,829.56/x
  3. Step 3: Cross multiply
    186,712.52x = 257,660.68 × 101,829.56
  4. Step 4: Simplify right side
    186,712.52x = 26,237,473,673.70
  5. Step 5: Solve for x
    x = 26,237,473,673.70/186,712.52
  6. Step 6: Final answer
    x = 140,523.38

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1.5x scale

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.