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Finding the Fourth Proportional to 147,937.60, 221,913.60 and 41,321.44

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Solution

The fourth proportional to 147,937.60, 221,913.60 and 41,321.44 is: 61,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,937.60 : 221,913.60 = 41,321.44 : x
  2. Step 2: Convert to fraction form
    147,937.60/221,913.60 = 41,321.44/x
  3. Step 3: Cross multiply
    147,937.60x = 221,913.60 × 41,321.44
  4. Step 4: Simplify right side
    147,937.60x = 9,169,789,507.58
  5. Step 5: Solve for x
    x = 9,169,789,507.58/147,937.60
  6. Step 6: Final answer
    x = 61,984.17

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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.