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Finding the Fourth Proportional to 72,999.83, 100,735.65 and 41,166.83

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Solution

The fourth proportional to 72,999.83, 100,735.65 and 41,166.83 is: 56,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,999.83 : 100,735.65 = 41,166.83 : x
  2. Step 2: Convert to fraction form
    72,999.83/100,735.65 = 41,166.83/x
  3. Step 3: Cross multiply
    72,999.83x = 100,735.65 × 41,166.83
  4. Step 4: Simplify right side
    72,999.83x = 4,146,967,630.33
  5. Step 5: Solve for x
    x = 4,146,967,630.33/72,999.83
  6. Step 6: Final answer
    x = 56,807.91

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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.