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Finding the Fourth Proportional to 196,869,971.80, 295,304,957.70 and 196,869,971.80

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Solution

The fourth proportional to 196,869,971.80, 295,304,957.70 and 196,869,971.80 is: 295,304,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,869,971.80 : 295,304,957.70 = 196,869,971.80 : x
  2. Step 2: Convert to fraction form
    196,869,971.80/295,304,957.70 = 196,869,971.80/x
  3. Step 3: Cross multiply
    196,869,971.80x = 295,304,957.70 × 196,869,971.80
  4. Step 4: Simplify right side
    196,869,971.80x = 58,136,678,694,799,192
  5. Step 5: Solve for x
    x = 58,136,678,694,799,192/196,869,971.80
  6. Step 6: Final answer
    x = 295,304,957.70

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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.