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Finding the Fourth Proportional to 67,222,055.20, 100,833,082.80 and 67,222,055.20

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Solution

The fourth proportional to 67,222,055.20, 100,833,082.80 and 67,222,055.20 is: 100,833,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,222,055.20 : 100,833,082.80 = 67,222,055.20 : x
  2. Step 2: Convert to fraction form
    67,222,055.20/100,833,082.80 = 67,222,055.20/x
  3. Step 3: Cross multiply
    67,222,055.20x = 100,833,082.80 × 67,222,055.20
  4. Step 4: Simplify right side
    67,222,055.20x = 6,778,207,057,967,771
  5. Step 5: Solve for x
    x = 6,778,207,057,967,771/67,222,055.20
  6. Step 6: Final answer
    x = 100,833,082.80

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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.