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Finding the Fourth Proportional to 183,981.60, 276,020.96 and 99,704.32

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Solution

The fourth proportional to 183,981.60, 276,020.96 and 99,704.32 is: 149,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,981.60 : 276,020.96 = 99,704.32 : x
  2. Step 2: Convert to fraction form
    183,981.60/276,020.96 = 99,704.32/x
  3. Step 3: Cross multiply
    183,981.60x = 276,020.96 × 99,704.32
  4. Step 4: Simplify right side
    183,981.60x = 27,520,482,122.55
  5. Step 5: Solve for x
    x = 27,520,482,122.55/183,981.60
  6. Step 6: Final answer
    x = 149,582.80

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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.