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Finding the Fourth Proportional to 165,647.92, 228,587.90 and 101,224.88

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Solution

The fourth proportional to 165,647.92, 228,587.90 and 101,224.88 is: 139,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,647.92 : 228,587.90 = 101,224.88 : x
  2. Step 2: Convert to fraction form
    165,647.92/228,587.90 = 101,224.88/x
  3. Step 3: Cross multiply
    165,647.92x = 228,587.90 × 101,224.88
  4. Step 4: Simplify right side
    165,647.92x = 23,138,783,571.48
  5. Step 5: Solve for x
    x = 23,138,783,571.48/165,647.92
  6. Step 6: Final answer
    x = 139,686.53

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1.5x scale

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.