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Finding the Fourth Proportional to 186,841.52, 280,360.71 and 108,011.10

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Solution

The fourth proportional to 186,841.52, 280,360.71 and 108,011.10 is: 162,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,841.52 : 280,360.71 = 108,011.10 : x
  2. Step 2: Convert to fraction form
    186,841.52/280,360.71 = 108,011.10/x
  3. Step 3: Cross multiply
    186,841.52x = 280,360.71 × 108,011.10
  4. Step 4: Simplify right side
    186,841.52x = 30,282,069,735.23
  5. Step 5: Solve for x
    x = 30,282,069,735.23/186,841.52
  6. Step 6: Final answer
    x = 162,073.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.