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Finding the Fourth Proportional to 78,033.70, 117,050.55 and 62,481.70

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Solution

The fourth proportional to 78,033.70, 117,050.55 and 62,481.70 is: 93,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,033.70 : 117,050.55 = 62,481.70 : x
  2. Step 2: Convert to fraction form
    78,033.70/117,050.55 = 62,481.70/x
  3. Step 3: Cross multiply
    78,033.70x = 117,050.55 × 62,481.70
  4. Step 4: Simplify right side
    78,033.70x = 7,313,517,349.94
  5. Step 5: Solve for x
    x = 7,313,517,349.94/78,033.70
  6. Step 6: Final answer
    x = 93,722.55

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1.5x scale

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.