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Finding the Fourth Proportional to 73,495.16, 110,240.30 and 31,942.20

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Solution

The fourth proportional to 73,495.16, 110,240.30 and 31,942.20 is: 47,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,495.16 : 110,240.30 = 31,942.20 : x
  2. Step 2: Convert to fraction form
    73,495.16/110,240.30 = 31,942.20/x
  3. Step 3: Cross multiply
    73,495.16x = 110,240.30 × 31,942.20
  4. Step 4: Simplify right side
    73,495.16x = 3,521,317,710.66
  5. Step 5: Solve for x
    x = 3,521,317,710.66/73,495.16
  6. Step 6: Final answer
    x = 47,912.24

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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.