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Finding the Fourth Proportional to 118,252.44, 163,192.32 and 64,540.53

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Solution

The fourth proportional to 118,252.44, 163,192.32 and 64,540.53 is: 89,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,252.44 : 163,192.32 = 64,540.53 : x
  2. Step 2: Convert to fraction form
    118,252.44/163,192.32 = 64,540.53/x
  3. Step 3: Cross multiply
    118,252.44x = 163,192.32 × 64,540.53
  4. Step 4: Simplify right side
    118,252.44x = 10,532,518,824.73
  5. Step 5: Solve for x
    x = 10,532,518,824.73/118,252.44
  6. Step 6: Final answer
    x = 89,068.09

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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.