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Finding the Fourth Proportional to 118,297.54, 163,251.45 and 64,583.62

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Solution

The fourth proportional to 118,297.54, 163,251.45 and 64,583.62 is: 89,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,297.54 : 163,251.45 = 64,583.62 : x
  2. Step 2: Convert to fraction form
    118,297.54/163,251.45 = 64,583.62/x
  3. Step 3: Cross multiply
    118,297.54x = 163,251.45 × 64,583.62
  4. Step 4: Simplify right side
    118,297.54x = 10,543,369,611.25
  5. Step 5: Solve for x
    x = 10,543,369,611.25/118,297.54
  6. Step 6: Final answer
    x = 89,125.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.