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Finding the Fourth Proportional to 94,019,509.80, 140,763,843.90 and 94,019,509.80

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Solution

The fourth proportional to 94,019,509.80, 140,763,843.90 and 94,019,509.80 is: 140,763,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,019,509.80 : 140,763,843.90 = 94,019,509.80 : x
  2. Step 2: Convert to fraction form
    94,019,509.80/140,763,843.90 = 94,019,509.80/x
  3. Step 3: Cross multiply
    94,019,509.80x = 140,763,843.90 × 94,019,509.80
  4. Step 4: Simplify right side
    94,019,509.80x = 13,234,547,601,041,720
  5. Step 5: Solve for x
    x = 13,234,547,601,041,720/94,019,509.80
  6. Step 6: Final answer
    x = 140,763,843.90

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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.