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Finding the Fourth Proportional to 118,037.76, 177,056.39 and 36,991

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Solution

The fourth proportional to 118,037.76, 177,056.39 and 36,991 is: 55,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,037.76 : 177,056.39 = 36,991 : x
  2. Step 2: Convert to fraction form
    118,037.76/177,056.39 = 36,991/x
  3. Step 3: Cross multiply
    118,037.76x = 177,056.39 × 36,991
  4. Step 4: Simplify right side
    118,037.76x = 6,549,492,737.54
  5. Step 5: Solve for x
    x = 6,549,492,737.54/118,037.76
  6. Step 6: Final answer
    x = 55,486.42

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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.