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Finding the Fourth Proportional to 165,683.80, 248,389.62 and 65,801.08

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Solution

The fourth proportional to 165,683.80, 248,389.62 and 65,801.08 is: 98,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,683.80 : 248,389.62 = 65,801.08 : x
  2. Step 2: Convert to fraction form
    165,683.80/248,389.62 = 65,801.08/x
  3. Step 3: Cross multiply
    165,683.80x = 248,389.62 × 65,801.08
  4. Step 4: Simplify right side
    165,683.80x = 16,344,305,256.79
  5. Step 5: Solve for x
    x = 16,344,305,256.79/165,683.80
  6. Step 6: Final answer
    x = 98,647.58

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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.