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Finding the Fourth Proportional to 73,836.59, 101,894.64 and 40,302.59

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Solution

The fourth proportional to 73,836.59, 101,894.64 and 40,302.59 is: 55,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,836.59 : 101,894.64 = 40,302.59 : x
  2. Step 2: Convert to fraction form
    73,836.59/101,894.64 = 40,302.59/x
  3. Step 3: Cross multiply
    73,836.59x = 101,894.64 × 40,302.59
  4. Step 4: Simplify right side
    73,836.59x = 4,106,617,899.12
  5. Step 5: Solve for x
    x = 4,106,617,899.12/73,836.59
  6. Step 6: Final answer
    x = 55,617.65

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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.