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Finding the Fourth Proportional to 147,592.60, 221,388.90 and 100,936.60

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Solution

The fourth proportional to 147,592.60, 221,388.90 and 100,936.60 is: 151,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,592.60 : 221,388.90 = 100,936.60 : x
  2. Step 2: Convert to fraction form
    147,592.60/221,388.90 = 100,936.60/x
  3. Step 3: Cross multiply
    147,592.60x = 221,388.90 × 100,936.60
  4. Step 4: Simplify right side
    147,592.60x = 22,346,242,843.74
  5. Step 5: Solve for x
    x = 22,346,242,843.74/147,592.60
  6. Step 6: Final answer
    x = 151,404.90

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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.