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Finding the Fourth Proportional to 165,999.08, 248,998.08 and 99,459.20

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Solution

The fourth proportional to 165,999.08, 248,998.08 and 99,459.20 is: 149,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,999.08 : 248,998.08 = 99,459.20 : x
  2. Step 2: Convert to fraction form
    165,999.08/248,998.08 = 99,459.20/x
  3. Step 3: Cross multiply
    165,999.08x = 248,998.08 × 99,459.20
  4. Step 4: Simplify right side
    165,999.08x = 24,765,149,838.34
  5. Step 5: Solve for x
    x = 24,765,149,838.34/165,999.08
  6. Step 6: Final answer
    x = 149,188.48

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1.5x scale

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.