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Finding the Fourth Proportional to 163,940.25, 245,746.21 and 63,962.90

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Solution

The fourth proportional to 163,940.25, 245,746.21 and 63,962.90 is: 95,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,940.25 : 245,746.21 = 63,962.90 : x
  2. Step 2: Convert to fraction form
    163,940.25/245,746.21 = 63,962.90/x
  3. Step 3: Cross multiply
    163,940.25x = 245,746.21 × 63,962.90
  4. Step 4: Simplify right side
    163,940.25x = 15,718,640,255.61
  5. Step 5: Solve for x
    x = 15,718,640,255.61/163,940.25
  6. Step 6: Final answer
    x = 95,880.30

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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.