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Finding the Fourth Proportional to 49,333.60, 74,000.40 and 45,834.40

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Solution

The fourth proportional to 49,333.60, 74,000.40 and 45,834.40 is: 68,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,333.60 : 74,000.40 = 45,834.40 : x
  2. Step 2: Convert to fraction form
    49,333.60/74,000.40 = 45,834.40/x
  3. Step 3: Cross multiply
    49,333.60x = 74,000.40 × 45,834.40
  4. Step 4: Simplify right side
    49,333.60x = 3,391,763,933.76
  5. Step 5: Solve for x
    x = 3,391,763,933.76/49,333.60
  6. Step 6: Final answer
    x = 68,751.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.