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Finding the Fourth Proportional to 118,737.44, 178,105.68 and 48,616.82

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Solution

The fourth proportional to 118,737.44, 178,105.68 and 48,616.82 is: 72,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,737.44 : 178,105.68 = 48,616.82 : x
  2. Step 2: Convert to fraction form
    118,737.44/178,105.68 = 48,616.82/x
  3. Step 3: Cross multiply
    118,737.44x = 178,105.68 × 48,616.82
  4. Step 4: Simplify right side
    118,737.44x = 8,658,931,785.54
  5. Step 5: Solve for x
    x = 8,658,931,785.54/118,737.44
  6. Step 6: Final answer
    x = 72,925.03

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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.