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Finding the Fourth Proportional to 119,113.74, 178,701.59 and 44,255.46

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Solution

The fourth proportional to 119,113.74, 178,701.59 and 44,255.46 is: 66,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,113.74 : 178,701.59 = 44,255.46 : x
  2. Step 2: Convert to fraction form
    119,113.74/178,701.59 = 44,255.46/x
  3. Step 3: Cross multiply
    119,113.74x = 178,701.59 × 44,255.46
  4. Step 4: Simplify right side
    119,113.74x = 7,908,521,848.95
  5. Step 5: Solve for x
    x = 7,908,521,848.95/119,113.74
  6. Step 6: Final answer
    x = 66,394.71

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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.