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Finding the Fourth Proportional to 119,369.40, 178,989.06 and 44,486.52

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Solution

The fourth proportional to 119,369.40, 178,989.06 and 44,486.52 is: 66,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,369.40 : 178,989.06 = 44,486.52 : x
  2. Step 2: Convert to fraction form
    119,369.40/178,989.06 = 44,486.52/x
  3. Step 3: Cross multiply
    119,369.40x = 178,989.06 × 44,486.52
  4. Step 4: Simplify right side
    119,369.40x = 7,962,600,397.47
  5. Step 5: Solve for x
    x = 7,962,600,397.47/119,369.40
  6. Step 6: Final answer
    x = 66,705.54

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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.