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Finding the Fourth Proportional to 108,528.30, 162,598.05 and 92,976.30

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Solution

The fourth proportional to 108,528.30, 162,598.05 and 92,976.30 is: 139,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,528.30 : 162,598.05 = 92,976.30 : x
  2. Step 2: Convert to fraction form
    108,528.30/162,598.05 = 92,976.30/x
  3. Step 3: Cross multiply
    108,528.30x = 162,598.05 × 92,976.30
  4. Step 4: Simplify right side
    108,528.30x = 15,117,765,076.22
  5. Step 5: Solve for x
    x = 15,117,765,076.22/108,528.30
  6. Step 6: Final answer
    x = 139,297.91

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1.5x scale

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.