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Finding the Fourth Proportional to 67,459.88, 101,172.20 and 20,062.22

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Solution

The fourth proportional to 67,459.88, 101,172.20 and 20,062.22 is: 30,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,459.88 : 101,172.20 = 20,062.22 : x
  2. Step 2: Convert to fraction form
    67,459.88/101,172.20 = 20,062.22/x
  3. Step 3: Cross multiply
    67,459.88x = 101,172.20 × 20,062.22
  4. Step 4: Simplify right side
    67,459.88x = 2,029,738,328.11
  5. Step 5: Solve for x
    x = 2,029,738,328.11/67,459.88
  6. Step 6: Final answer
    x = 30,088.08

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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.