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Finding the Fourth Proportional to 136,086,415.20, 203,846,187.60 and 136,086,415.20

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Solution

The fourth proportional to 136,086,415.20, 203,846,187.60 and 136,086,415.20 is: 203,846,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,086,415.20 : 203,846,187.60 = 136,086,415.20 : x
  2. Step 2: Convert to fraction form
    136,086,415.20/203,846,187.60 = 136,086,415.20/x
  3. Step 3: Cross multiply
    136,086,415.20x = 203,846,187.60 × 136,086,415.20
  4. Step 4: Simplify right side
    136,086,415.20x = 27,740,696,922,670,688
  5. Step 5: Solve for x
    x = 27,740,696,922,670,688/136,086,415.20
  6. Step 6: Final answer
    x = 203,846,187.60

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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.