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Finding the Fourth Proportional to 165,559.92, 248,116.20 and 118,710

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Solution

The fourth proportional to 165,559.92, 248,116.20 and 118,710 is: 177,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,559.92 : 248,116.20 = 118,710 : x
  2. Step 2: Convert to fraction form
    165,559.92/248,116.20 = 118,710/x
  3. Step 3: Cross multiply
    165,559.92x = 248,116.20 × 118,710
  4. Step 4: Simplify right side
    165,559.92x = 29,453,874,102
  5. Step 5: Solve for x
    x = 29,453,874,102/165,559.92
  6. Step 6: Final answer
    x = 177,904.62

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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.