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Finding the Fourth Proportional to 119,121.57, 178,523.19 and 62,948.34

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Solution

The fourth proportional to 119,121.57, 178,523.19 and 62,948.34 is: 94,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,121.57 : 178,523.19 = 62,948.34 : x
  2. Step 2: Convert to fraction form
    119,121.57/178,523.19 = 62,948.34/x
  3. Step 3: Cross multiply
    119,121.57x = 178,523.19 × 62,948.34
  4. Step 4: Simplify right side
    119,121.57x = 11,237,738,462.00
  5. Step 5: Solve for x
    x = 11,237,738,462.00/119,121.57
  6. Step 6: Final answer
    x = 94,338.40

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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.