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Finding the Fourth Proportional to 178,990.04, 268,317.84 and 60,578.84

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Solution

The fourth proportional to 178,990.04, 268,317.84 and 60,578.84 is: 90,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,990.04 : 268,317.84 = 60,578.84 : x
  2. Step 2: Convert to fraction form
    178,990.04/268,317.84 = 60,578.84/x
  3. Step 3: Cross multiply
    178,990.04x = 268,317.84 × 60,578.84
  4. Step 4: Simplify right side
    178,990.04x = 16,254,383,498.51
  5. Step 5: Solve for x
    x = 16,254,383,498.51/178,990.04
  6. Step 6: Final answer
    x = 90,811.66

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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.