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Finding the Fourth Proportional to 202,339.40, 303,436.20 and 102,466.40

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Solution

The fourth proportional to 202,339.40, 303,436.20 and 102,466.40 is: 153,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,339.40 : 303,436.20 = 102,466.40 : x
  2. Step 2: Convert to fraction form
    202,339.40/303,436.20 = 102,466.40/x
  3. Step 3: Cross multiply
    202,339.40x = 303,436.20 × 102,466.40
  4. Step 4: Simplify right side
    202,339.40x = 31,092,015,043.68
  5. Step 5: Solve for x
    x = 31,092,015,043.68/202,339.40
  6. Step 6: Final answer
    x = 153,662.68

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1.5x scale

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.