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Finding the Fourth Proportional to 201,176,481.60, 301,764,722.40 and 189,272,203.20

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Solution

The fourth proportional to 201,176,481.60, 301,764,722.40 and 189,272,203.20 is: 283,908,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,176,481.60 : 301,764,722.40 = 189,272,203.20 : x
  2. Step 2: Convert to fraction form
    201,176,481.60/301,764,722.40 = 189,272,203.20/x
  3. Step 3: Cross multiply
    201,176,481.60x = 301,764,722.40 × 189,272,203.20
  4. Step 4: Simplify right side
    201,176,481.60x = 57,115,673,856,684,384
  5. Step 5: Solve for x
    x = 57,115,673,856,684,384/201,176,481.60
  6. Step 6: Final answer
    x = 283,908,304.80

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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.