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Finding the Fourth Proportional to 140,791,372.80, 210,888,460.80 and 116,903,500.80

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Solution

The fourth proportional to 140,791,372.80, 210,888,460.80 and 116,903,500.80 is: 175,107,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,791,372.80 : 210,888,460.80 = 116,903,500.80 : x
  2. Step 2: Convert to fraction form
    140,791,372.80/210,888,460.80 = 116,903,500.80/x
  3. Step 3: Cross multiply
    140,791,372.80x = 210,888,460.80 × 116,903,500.80
  4. Step 4: Simplify right side
    140,791,372.80x = 24,653,599,345,843,568
  5. Step 5: Solve for x
    x = 24,653,599,345,843,568/140,791,372.80
  6. Step 6: Final answer
    x = 175,107,315.57

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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.