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Finding the Fourth Proportional to 108,630.60, 146,184.75 and 108,630.60

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Solution

The fourth proportional to 108,630.60, 146,184.75 and 108,630.60 is: 146,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630.60 : 146,184.75 = 108,630.60 : x
  2. Step 2: Convert to fraction form
    108,630.60/146,184.75 = 108,630.60/x
  3. Step 3: Cross multiply
    108,630.60x = 146,184.75 × 108,630.60
  4. Step 4: Simplify right side
    108,630.60x = 15,880,137,103.35
  5. Step 5: Solve for x
    x = 15,880,137,103.35/108,630.60
  6. Step 6: Final answer
    x = 146,184.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.