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Finding the Fourth Proportional to 222,388.02, 333,656.10 and 147,801.60

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Solution

The fourth proportional to 222,388.02, 333,656.10 and 147,801.60 is: 221,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,388.02 : 333,656.10 = 147,801.60 : x
  2. Step 2: Convert to fraction form
    222,388.02/333,656.10 = 147,801.60/x
  3. Step 3: Cross multiply
    222,388.02x = 333,656.10 × 147,801.60
  4. Step 4: Simplify right side
    222,388.02x = 49,314,905,429.76
  5. Step 5: Solve for x
    x = 49,314,905,429.76/222,388.02
  6. Step 6: Final answer
    x = 221,751.63

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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.