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Finding the Fourth Proportional to 73,478.25, 101,400.12 and 41,650.11

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Solution

The fourth proportional to 73,478.25, 101,400.12 and 41,650.11 is: 57,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,478.25 : 101,400.12 = 41,650.11 : x
  2. Step 2: Convert to fraction form
    73,478.25/101,400.12 = 41,650.11/x
  3. Step 3: Cross multiply
    73,478.25x = 101,400.12 × 41,650.11
  4. Step 4: Simplify right side
    73,478.25x = 4,223,326,152.01
  5. Step 5: Solve for x
    x = 4,223,326,152.01/73,478.25
  6. Step 6: Final answer
    x = 57,477.23

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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.