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Finding the Fourth Proportional to 73,920.10, 110,840.20 and 23,309.58

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Solution

The fourth proportional to 73,920.10, 110,840.20 and 23,309.58 is: 34,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,920.10 : 110,840.20 = 23,309.58 : x
  2. Step 2: Convert to fraction form
    73,920.10/110,840.20 = 23,309.58/x
  3. Step 3: Cross multiply
    73,920.10x = 110,840.20 × 23,309.58
  4. Step 4: Simplify right side
    73,920.10x = 2,583,638,035.19
  5. Step 5: Solve for x
    x = 2,583,638,035.19/73,920.10
  6. Step 6: Final answer
    x = 34,951.77

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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.