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Finding the Fourth Proportional to 74,304,064.80, 111,361,618.80 and 35,882,848.80

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Solution

The fourth proportional to 74,304,064.80, 111,361,618.80 and 35,882,848.80 is: 53,778,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,064.80 : 111,361,618.80 = 35,882,848.80 : x
  2. Step 2: Convert to fraction form
    74,304,064.80/111,361,618.80 = 35,882,848.80/x
  3. Step 3: Cross multiply
    74,304,064.80x = 111,361,618.80 × 35,882,848.80
  4. Step 4: Simplify right side
    74,304,064.80x = 3,995,972,129,523,637
  5. Step 5: Solve for x
    x = 3,995,972,129,523,637/74,304,064.80
  6. Step 6: Final answer
    x = 53,778,647.78

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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.