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Finding the Fourth Proportional to 118,568.32, 177,852.78 and 48,447.63

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Solution

The fourth proportional to 118,568.32, 177,852.78 and 48,447.63 is: 72,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.32 : 177,852.78 = 48,447.63 : x
  2. Step 2: Convert to fraction form
    118,568.32/177,852.78 = 48,447.63/x
  3. Step 3: Cross multiply
    118,568.32x = 177,852.78 × 48,447.63
  4. Step 4: Simplify right side
    118,568.32x = 8,616,545,679.91
  5. Step 5: Solve for x
    x = 8,616,545,679.91/118,568.32
  6. Step 6: Final answer
    x = 72,671.57

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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.