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Finding the Fourth Proportional to 147,453.96, 221,180.94 and 36,645.96

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Solution

The fourth proportional to 147,453.96, 221,180.94 and 36,645.96 is: 54,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,453.96 : 221,180.94 = 36,645.96 : x
  2. Step 2: Convert to fraction form
    147,453.96/221,180.94 = 36,645.96/x
  3. Step 3: Cross multiply
    147,453.96x = 221,180.94 × 36,645.96
  4. Step 4: Simplify right side
    147,453.96x = 8,105,387,880.00
  5. Step 5: Solve for x
    x = 8,105,387,880.00/147,453.96
  6. Step 6: Final answer
    x = 54,968.94

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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.