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Finding the Fourth Proportional to 73,652.04, 101,639.88 and 40,118.04

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Solution

The fourth proportional to 73,652.04, 101,639.88 and 40,118.04 is: 55,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,652.04 : 101,639.88 = 40,118.04 : x
  2. Step 2: Convert to fraction form
    73,652.04/101,639.88 = 40,118.04/x
  3. Step 3: Cross multiply
    73,652.04x = 101,639.88 × 40,118.04
  4. Step 4: Simplify right side
    73,652.04x = 4,077,592,771.44
  5. Step 5: Solve for x
    x = 4,077,592,771.44/73,652.04
  6. Step 6: Final answer
    x = 55,362.93

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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.