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Finding the Fourth Proportional to 73,541.25, 101,487.74 and 40,007.25

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Solution

The fourth proportional to 73,541.25, 101,487.74 and 40,007.25 is: 55,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,541.25 : 101,487.74 = 40,007.25 : x
  2. Step 2: Convert to fraction form
    73,541.25/101,487.74 = 40,007.25/x
  3. Step 3: Cross multiply
    73,541.25x = 101,487.74 × 40,007.25
  4. Step 4: Simplify right side
    73,541.25x = 4,060,245,186.08
  5. Step 5: Solve for x
    x = 4,060,245,186.08/73,541.25
  6. Step 6: Final answer
    x = 55,210.45

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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.