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Finding the Fourth Proportional to 133,780,501.20, 200,670,751.80 and 119,750,458.80

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Solution

The fourth proportional to 133,780,501.20, 200,670,751.80 and 119,750,458.80 is: 179,625,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,780,501.20 : 200,670,751.80 = 119,750,458.80 : x
  2. Step 2: Convert to fraction form
    133,780,501.20/200,670,751.80 = 119,750,458.80/x
  3. Step 3: Cross multiply
    133,780,501.20x = 200,670,751.80 × 119,750,458.80
  4. Step 4: Simplify right side
    133,780,501.20x = 24,030,414,595,790,928
  5. Step 5: Solve for x
    x = 24,030,414,595,790,928/133,780,501.20
  6. Step 6: Final answer
    x = 179,625,688.20

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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.