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Finding the Fourth Proportional to 236,468.40, 354,414.60 and 103,066.80

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Solution

The fourth proportional to 236,468.40, 354,414.60 and 103,066.80 is: 154,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,468.40 : 354,414.60 = 103,066.80 : x
  2. Step 2: Convert to fraction form
    236,468.40/354,414.60 = 103,066.80/x
  3. Step 3: Cross multiply
    236,468.40x = 354,414.60 × 103,066.80
  4. Step 4: Simplify right side
    236,468.40x = 36,528,378,695.28
  5. Step 5: Solve for x
    x = 36,528,378,695.28/236,468.40
  6. Step 6: Final answer
    x = 154,474.67

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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.