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Finding the Fourth Proportional to 179,635.98, 247,894.38 and 99,070.98

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Solution

The fourth proportional to 179,635.98, 247,894.38 and 99,070.98 is: 136,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,635.98 : 247,894.38 = 99,070.98 : x
  2. Step 2: Convert to fraction form
    179,635.98/247,894.38 = 99,070.98/x
  3. Step 3: Cross multiply
    179,635.98x = 247,894.38 × 99,070.98
  4. Step 4: Simplify right side
    179,635.98x = 24,559,139,163.09
  5. Step 5: Solve for x
    x = 24,559,139,163.09/179,635.98
  6. Step 6: Final answer
    x = 136,716.15

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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.