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Finding the Fourth Proportional to 117,570.56, 176,187.70 and 93,949.93

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Solution

The fourth proportional to 117,570.56, 176,187.70 and 93,949.93 is: 140,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570.56 : 176,187.70 = 93,949.93 : x
  2. Step 2: Convert to fraction form
    117,570.56/176,187.70 = 93,949.93/x
  3. Step 3: Cross multiply
    117,570.56x = 176,187.70 × 93,949.93
  4. Step 4: Simplify right side
    117,570.56x = 16,552,821,406.52
  5. Step 5: Solve for x
    x = 16,552,821,406.52/117,570.56
  6. Step 6: Final answer
    x = 140,790.54

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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.