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Finding the Fourth Proportional to 235,162,745.60, 352,696,742.40 and 147,685,194.56

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Solution

The fourth proportional to 235,162,745.60, 352,696,742.40 and 147,685,194.56 is: 221,498,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,162,745.60 : 352,696,742.40 = 147,685,194.56 : x
  2. Step 2: Convert to fraction form
    235,162,745.60/352,696,742.40 = 147,685,194.56/x
  3. Step 3: Cross multiply
    235,162,745.60x = 352,696,742.40 × 147,685,194.56
  4. Step 4: Simplify right side
    235,162,745.60x = 52,088,087,022,022,200
  5. Step 5: Solve for x
    x = 52,088,087,022,022,200/235,162,745.60
  6. Step 6: Final answer
    x = 221,498,039.11

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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.