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Finding the Fourth Proportional to 132,865.40, 186,149.80 and 132,865.40

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Solution

The fourth proportional to 132,865.40, 186,149.80 and 132,865.40 is: 186,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,865.40 : 186,149.80 = 132,865.40 : x
  2. Step 2: Convert to fraction form
    132,865.40/186,149.80 = 132,865.40/x
  3. Step 3: Cross multiply
    132,865.40x = 186,149.80 × 132,865.40
  4. Step 4: Simplify right side
    132,865.40x = 24,732,867,636.92
  5. Step 5: Solve for x
    x = 24,732,867,636.92/132,865.40
  6. Step 6: Final answer
    x = 186,149.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.