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Finding the Fourth Proportional to 108,801.68, 150,157.12 and 73,066.08

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Solution

The fourth proportional to 108,801.68, 150,157.12 and 73,066.08 is: 100,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,801.68 : 150,157.12 = 73,066.08 : x
  2. Step 2: Convert to fraction form
    108,801.68/150,157.12 = 73,066.08/x
  3. Step 3: Cross multiply
    108,801.68x = 150,157.12 × 73,066.08
  4. Step 4: Simplify right side
    108,801.68x = 10,971,392,142.49
  5. Step 5: Solve for x
    x = 10,971,392,142.49/108,801.68
  6. Step 6: Final answer
    x = 100,838.44

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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.