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Finding the Fourth Proportional to 186,810.25, 280,217.82 and 62,151.25

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Solution

The fourth proportional to 186,810.25, 280,217.82 and 62,151.25 is: 93,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,810.25 : 280,217.82 = 62,151.25 : x
  2. Step 2: Convert to fraction form
    186,810.25/280,217.82 = 62,151.25/x
  3. Step 3: Cross multiply
    186,810.25x = 280,217.82 × 62,151.25
  4. Step 4: Simplify right side
    186,810.25x = 17,415,887,785.28
  5. Step 5: Solve for x
    x = 17,415,887,785.28/186,810.25
  6. Step 6: Final answer
    x = 93,227.69

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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.