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Finding the Fourth Proportional to 303,134.40, 454,766.40 and 92,793.60

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Solution

The fourth proportional to 303,134.40, 454,766.40 and 92,793.60 is: 139,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,134.40 : 454,766.40 = 92,793.60 : x
  2. Step 2: Convert to fraction form
    303,134.40/454,766.40 = 92,793.60/x
  3. Step 3: Cross multiply
    303,134.40x = 454,766.40 × 92,793.60
  4. Step 4: Simplify right side
    303,134.40x = 42,199,411,415.04
  5. Step 5: Solve for x
    x = 42,199,411,415.04/303,134.40
  6. Step 6: Final answer
    x = 139,210.24

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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.