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Finding the Fourth Proportional to 39,597,363.20, 59,396,044.80 and 19,441,971.20

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Solution

The fourth proportional to 39,597,363.20, 59,396,044.80 and 19,441,971.20 is: 29,162,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597,363.20 : 59,396,044.80 = 19,441,971.20 : x
  2. Step 2: Convert to fraction form
    39,597,363.20/59,396,044.80 = 19,441,971.20/x
  3. Step 3: Cross multiply
    39,597,363.20x = 59,396,044.80 × 19,441,971.20
  4. Step 4: Simplify right side
    39,597,363.20x = 1,154,776,192,395,509.75
  5. Step 5: Solve for x
    x = 1,154,776,192,395,509.75/39,597,363.20
  6. Step 6: Final answer
    x = 29,162,956.80

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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.