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Finding the Fourth Proportional to 75,159.99, 112,753.65 and 37,745.89

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Solution

The fourth proportional to 75,159.99, 112,753.65 and 37,745.89 is: 56,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,159.99 : 112,753.65 = 37,745.89 : x
  2. Step 2: Convert to fraction form
    75,159.99/112,753.65 = 37,745.89/x
  3. Step 3: Cross multiply
    75,159.99x = 112,753.65 × 37,745.89
  4. Step 4: Simplify right side
    75,159.99x = 4,255,986,870.00
  5. Step 5: Solve for x
    x = 4,255,986,870.00/75,159.99
  6. Step 6: Final answer
    x = 56,625.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.