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Finding the Fourth Proportional to 73,842.08, 101,904.16 and 40,310.24

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Solution

The fourth proportional to 73,842.08, 101,904.16 and 40,310.24 is: 55,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,842.08 : 101,904.16 = 40,310.24 : x
  2. Step 2: Convert to fraction form
    73,842.08/101,904.16 = 40,310.24/x
  3. Step 3: Cross multiply
    73,842.08x = 101,904.16 × 40,310.24
  4. Step 4: Simplify right side
    73,842.08x = 4,107,781,146.60
  5. Step 5: Solve for x
    x = 4,107,781,146.60/73,842.08
  6. Step 6: Final answer
    x = 55,629.27

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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.