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Finding the Fourth Proportional to 165,402.48, 248,185.80 and 65,560.48

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Solution

The fourth proportional to 165,402.48, 248,185.80 and 65,560.48 is: 98,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,402.48 : 248,185.80 = 65,560.48 : x
  2. Step 2: Convert to fraction form
    165,402.48/248,185.80 = 65,560.48/x
  3. Step 3: Cross multiply
    165,402.48x = 248,185.80 × 65,560.48
  4. Step 4: Simplify right side
    165,402.48x = 16,271,180,177.18
  5. Step 5: Solve for x
    x = 16,271,180,177.18/165,402.48
  6. Step 6: Final answer
    x = 98,373.25

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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.