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Finding the Fourth Proportional to 73,411.70, 110,116.94 and 43,632.32

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Solution

The fourth proportional to 73,411.70, 110,116.94 and 43,632.32 is: 65,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411.70 : 110,116.94 = 43,632.32 : x
  2. Step 2: Convert to fraction form
    73,411.70/110,116.94 = 43,632.32/x
  3. Step 3: Cross multiply
    73,411.70x = 110,116.94 × 43,632.32
  4. Step 4: Simplify right side
    73,411.70x = 4,804,656,794.75
  5. Step 5: Solve for x
    x = 4,804,656,794.75/73,411.70
  6. Step 6: Final answer
    x = 65,448.11

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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.