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Finding the Fourth Proportional to 108,997.42, 150,411.60 and 63,679.60

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Solution

The fourth proportional to 108,997.42, 150,411.60 and 63,679.60 is: 87,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,997.42 : 150,411.60 = 63,679.60 : x
  2. Step 2: Convert to fraction form
    108,997.42/150,411.60 = 63,679.60/x
  3. Step 3: Cross multiply
    108,997.42x = 150,411.60 × 63,679.60
  4. Step 4: Simplify right side
    108,997.42x = 9,578,150,523.36
  5. Step 5: Solve for x
    x = 9,578,150,523.36/108,997.42
  6. Step 6: Final answer
    x = 87,875.02

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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.