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Finding the Fourth Proportional to 73,836, 101,895.88 and 40,304.16

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Solution

The fourth proportional to 73,836, 101,895.88 and 40,304.16 is: 55,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,836 : 101,895.88 = 40,304.16 : x
  2. Step 2: Convert to fraction form
    73,836/101,895.88 = 40,304.16/x
  3. Step 3: Cross multiply
    73,836x = 101,895.88 × 40,304.16
  4. Step 4: Simplify right side
    73,836x = 4,106,827,850.86
  5. Step 5: Solve for x
    x = 4,106,827,850.86/73,836
  6. Step 6: Final answer
    x = 55,620.94

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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.