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Finding the Fourth Proportional to 73,265.64, 101,106.64 and 39,731.64

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Solution

The fourth proportional to 73,265.64, 101,106.64 and 39,731.64 is: 54,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,265.64 : 101,106.64 = 39,731.64 : x
  2. Step 2: Convert to fraction form
    73,265.64/101,106.64 = 39,731.64/x
  3. Step 3: Cross multiply
    73,265.64x = 101,106.64 × 39,731.64
  4. Step 4: Simplify right side
    73,265.64x = 4,017,132,622.09
  5. Step 5: Solve for x
    x = 4,017,132,622.09/73,265.64
  6. Step 6: Final answer
    x = 54,829.69

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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.