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Finding the Fourth Proportional to 227,994.66, 342,028.74 and 70,223.04

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Solution

The fourth proportional to 227,994.66, 342,028.74 and 70,223.04 is: 105,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,994.66 : 342,028.74 = 70,223.04 : x
  2. Step 2: Convert to fraction form
    227,994.66/342,028.74 = 70,223.04/x
  3. Step 3: Cross multiply
    227,994.66x = 342,028.74 × 70,223.04
  4. Step 4: Simplify right side
    227,994.66x = 24,018,297,890.17
  5. Step 5: Solve for x
    x = 24,018,297,890.17/227,994.66
  6. Step 6: Final answer
    x = 105,345.88

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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.