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Finding the Fourth Proportional to 332,140.40, 498,210.60 and 132,357.95

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Solution

The fourth proportional to 332,140.40, 498,210.60 and 132,357.95 is: 198,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,140.40 : 498,210.60 = 132,357.95 : x
  2. Step 2: Convert to fraction form
    332,140.40/498,210.60 = 132,357.95/x
  3. Step 3: Cross multiply
    332,140.40x = 498,210.60 × 132,357.95
  4. Step 4: Simplify right side
    332,140.40x = 65,942,133,684.27
  5. Step 5: Solve for x
    x = 65,942,133,684.27/332,140.40
  6. Step 6: Final answer
    x = 198,536.93

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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.