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Finding the Fourth Proportional to 107,363,950.40, 160,919,954.40 and 45,952,990.40

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Solution

The fourth proportional to 107,363,950.40, 160,919,954.40 and 45,952,990.40 is: 68,875,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,363,950.40 : 160,919,954.40 = 45,952,990.40 : x
  2. Step 2: Convert to fraction form
    107,363,950.40/160,919,954.40 = 45,952,990.40/x
  3. Step 3: Cross multiply
    107,363,950.40x = 160,919,954.40 × 45,952,990.40
  4. Step 4: Simplify right side
    107,363,950.40x = 7,394,753,119,711,638
  5. Step 5: Solve for x
    x = 7,394,753,119,711,638/107,363,950.40
  6. Step 6: Final answer
    x = 68,875,568.50

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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.