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Finding the Fourth Proportional to 73,459.53, 110,189.28 and 20,862.18

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Solution

The fourth proportional to 73,459.53, 110,189.28 and 20,862.18 is: 31,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,459.53 : 110,189.28 = 20,862.18 : x
  2. Step 2: Convert to fraction form
    73,459.53/110,189.28 = 20,862.18/x
  3. Step 3: Cross multiply
    73,459.53x = 110,189.28 × 20,862.18
  4. Step 4: Simplify right side
    73,459.53x = 2,298,788,593.43
  5. Step 5: Solve for x
    x = 2,298,788,593.43/73,459.53
  6. Step 6: Final answer
    x = 31,293.27

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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.