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Finding the Fourth Proportional to 75,182.88, 103,712.98 and 46,493.40

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Solution

The fourth proportional to 75,182.88, 103,712.98 and 46,493.40 is: 64,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,182.88 : 103,712.98 = 46,493.40 : x
  2. Step 2: Convert to fraction form
    75,182.88/103,712.98 = 46,493.40/x
  3. Step 3: Cross multiply
    75,182.88x = 103,712.98 × 46,493.40
  4. Step 4: Simplify right side
    75,182.88x = 4,821,969,064.33
  5. Step 5: Solve for x
    x = 4,821,969,064.33/75,182.88
  6. Step 6: Final answer
    x = 64,136.53

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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.