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Finding the Fourth Proportional to 73,170.54, 100,965.69 and 46,265.58

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Solution

The fourth proportional to 73,170.54, 100,965.69 and 46,265.58 is: 63,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,170.54 : 100,965.69 = 46,265.58 : x
  2. Step 2: Convert to fraction form
    73,170.54/100,965.69 = 46,265.58/x
  3. Step 3: Cross multiply
    73,170.54x = 100,965.69 × 46,265.58
  4. Step 4: Simplify right side
    73,170.54x = 4,671,236,207.95
  5. Step 5: Solve for x
    x = 4,671,236,207.95/73,170.54
  6. Step 6: Final answer
    x = 63,840.40

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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.