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Finding the Fourth Proportional to 117,414.65, 162,032.27 and 63,699.65

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Solution

The fourth proportional to 117,414.65, 162,032.27 and 63,699.65 is: 87,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,414.65 : 162,032.27 = 63,699.65 : x
  2. Step 2: Convert to fraction form
    117,414.65/162,032.27 = 63,699.65/x
  3. Step 3: Cross multiply
    117,414.65x = 162,032.27 × 63,699.65
  4. Step 4: Simplify right side
    117,414.65x = 10,321,398,887.71
  5. Step 5: Solve for x
    x = 10,321,398,887.71/117,414.65
  6. Step 6: Final answer
    x = 87,905.55

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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.