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Finding the Fourth Proportional to 119,113.99, 178,701.97 and 44,255.72

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Solution

The fourth proportional to 119,113.99, 178,701.97 and 44,255.72 is: 66,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,113.99 : 178,701.97 = 44,255.72 : x
  2. Step 2: Convert to fraction form
    119,113.99/178,701.97 = 44,255.72/x
  3. Step 3: Cross multiply
    119,113.99x = 178,701.97 × 44,255.72
  4. Step 4: Simplify right side
    119,113.99x = 7,908,583,343.62
  5. Step 5: Solve for x
    x = 7,908,583,343.62/119,113.99
  6. Step 6: Final answer
    x = 66,395.08

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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.