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Finding the Fourth Proportional to 248,096,590.80, 371,578,015.80 and 146,059,918.80

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Solution

The fourth proportional to 248,096,590.80, 371,578,015.80 and 146,059,918.80 is: 218,756,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,096,590.80 : 371,578,015.80 = 146,059,918.80 : x
  2. Step 2: Convert to fraction form
    248,096,590.80/371,578,015.80 = 146,059,918.80/x
  3. Step 3: Cross multiply
    248,096,590.80x = 371,578,015.80 × 146,059,918.80
  4. Step 4: Simplify right side
    248,096,590.80x = 54,272,654,815,613,120
  5. Step 5: Solve for x
    x = 54,272,654,815,613,120/248,096,590.80
  6. Step 6: Final answer
    x = 218,756,149.13

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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.