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Finding the Fourth Proportional to 118,993.34, 178,490.62 and 40,108.24

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Solution

The fourth proportional to 118,993.34, 178,490.62 and 40,108.24 is: 60,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,993.34 : 178,490.62 = 40,108.24 : x
  2. Step 2: Convert to fraction form
    118,993.34/178,490.62 = 40,108.24/x
  3. Step 3: Cross multiply
    118,993.34x = 178,490.62 × 40,108.24
  4. Step 4: Simplify right side
    118,993.34x = 7,158,944,624.71
  5. Step 5: Solve for x
    x = 7,158,944,624.71/118,993.34
  6. Step 6: Final answer
    x = 60,162.57

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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.