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Finding the Fourth Proportional to 118,574.32, 177,861.78 and 48,453.63

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Solution

The fourth proportional to 118,574.32, 177,861.78 and 48,453.63 is: 72,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,574.32 : 177,861.78 = 48,453.63 : x
  2. Step 2: Convert to fraction form
    118,574.32/177,861.78 = 48,453.63/x
  3. Step 3: Cross multiply
    118,574.32x = 177,861.78 × 48,453.63
  4. Step 4: Simplify right side
    118,574.32x = 8,618,048,879.26
  5. Step 5: Solve for x
    x = 8,618,048,879.26/118,574.32
  6. Step 6: Final answer
    x = 72,680.57

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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.