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Finding the Fourth Proportional to 108,880.62, 150,255.05 and 61,134.23

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Solution

The fourth proportional to 108,880.62, 150,255.05 and 61,134.23 is: 84,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,880.62 : 150,255.05 = 61,134.23 : x
  2. Step 2: Convert to fraction form
    108,880.62/150,255.05 = 61,134.23/x
  3. Step 3: Cross multiply
    108,880.62x = 150,255.05 × 61,134.23
  4. Step 4: Simplify right side
    108,880.62x = 9,185,725,728.42
  5. Step 5: Solve for x
    x = 9,185,725,728.42/108,880.62
  6. Step 6: Final answer
    x = 84,365.11

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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.