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Finding the Fourth Proportional to 190,552.86, 285,627.69 and 64,072.62

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Solution

The fourth proportional to 190,552.86, 285,627.69 and 64,072.62 is: 96,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,552.86 : 285,627.69 = 64,072.62 : x
  2. Step 2: Convert to fraction form
    190,552.86/285,627.69 = 64,072.62/x
  3. Step 3: Cross multiply
    190,552.86x = 285,627.69 × 64,072.62
  4. Step 4: Simplify right side
    190,552.86x = 18,300,914,442.85
  5. Step 5: Solve for x
    x = 18,300,914,442.85/190,552.86
  6. Step 6: Final answer
    x = 96,041.14

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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.