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Finding the Fourth Proportional to 108,799.68, 150,154.36 and 73,064.08

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Solution

The fourth proportional to 108,799.68, 150,154.36 and 73,064.08 is: 100,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,799.68 : 150,154.36 = 73,064.08 : x
  2. Step 2: Convert to fraction form
    108,799.68/150,154.36 = 73,064.08/x
  3. Step 3: Cross multiply
    108,799.68x = 150,154.36 × 73,064.08
  4. Step 4: Simplify right side
    108,799.68x = 10,970,890,171.39
  5. Step 5: Solve for x
    x = 10,970,890,171.39/108,799.68
  6. Step 6: Final answer
    x = 100,835.68

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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.