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Finding the Fourth Proportional to 243,592,209.70, 365,388,314.55 and 61,839,387.70

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Solution

The fourth proportional to 243,592,209.70, 365,388,314.55 and 61,839,387.70 is: 92,759,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,592,209.70 : 365,388,314.55 = 61,839,387.70 : x
  2. Step 2: Convert to fraction form
    243,592,209.70/365,388,314.55 = 61,839,387.70/x
  3. Step 3: Cross multiply
    243,592,209.70x = 365,388,314.55 × 61,839,387.70
  4. Step 4: Simplify right side
    243,592,209.70x = 22,595,389,644,507,004
  5. Step 5: Solve for x
    x = 22,595,389,644,507,004/243,592,209.70
  6. Step 6: Final answer
    x = 92,759,081.55

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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.