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Finding the Fourth Proportional to 118,568.50, 177,852.76 and 48,447.76

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Solution

The fourth proportional to 118,568.50, 177,852.76 and 48,447.76 is: 72,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.50 : 177,852.76 = 48,447.76 : x
  2. Step 2: Convert to fraction form
    118,568.50/177,852.76 = 48,447.76/x
  3. Step 3: Cross multiply
    118,568.50x = 177,852.76 × 48,447.76
  4. Step 4: Simplify right side
    118,568.50x = 8,616,567,831.82
  5. Step 5: Solve for x
    x = 8,616,567,831.82/118,568.50
  6. Step 6: Final answer
    x = 72,671.64

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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.