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Finding the Fourth Proportional to 194,243,080.80, 291,364,621.20 and 194,243,080.80

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Solution

The fourth proportional to 194,243,080.80, 291,364,621.20 and 194,243,080.80 is: 291,364,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,243,080.80 : 291,364,621.20 = 194,243,080.80 : x
  2. Step 2: Convert to fraction form
    194,243,080.80/291,364,621.20 = 194,243,080.80/x
  3. Step 3: Cross multiply
    194,243,080.80x = 291,364,621.20 × 194,243,080.80
  4. Step 4: Simplify right side
    194,243,080.80x = 56,595,561,658,012,992
  5. Step 5: Solve for x
    x = 56,595,561,658,012,992/194,243,080.80
  6. Step 6: Final answer
    x = 291,364,621.20

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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.