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Finding the Fourth Proportional to 118,693.74, 178,040.06 and 48,573.06

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Solution

The fourth proportional to 118,693.74, 178,040.06 and 48,573.06 is: 72,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,693.74 : 178,040.06 = 48,573.06 : x
  2. Step 2: Convert to fraction form
    118,693.74/178,040.06 = 48,573.06/x
  3. Step 3: Cross multiply
    118,693.74x = 178,040.06 × 48,573.06
  4. Step 4: Simplify right side
    118,693.74x = 8,647,950,516.78
  5. Step 5: Solve for x
    x = 8,647,950,516.78/118,693.74
  6. Step 6: Final answer
    x = 72,859.36

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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.