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Finding the Fourth Proportional to 183,725,564.40, 275,588,346.60 and 138,375,932.40

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Solution

The fourth proportional to 183,725,564.40, 275,588,346.60 and 138,375,932.40 is: 207,563,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,725,564.40 : 275,588,346.60 = 138,375,932.40 : x
  2. Step 2: Convert to fraction form
    183,725,564.40/275,588,346.60 = 138,375,932.40/x
  3. Step 3: Cross multiply
    183,725,564.40x = 275,588,346.60 × 138,375,932.40
  4. Step 4: Simplify right side
    183,725,564.40x = 38,134,794,419,349,376
  5. Step 5: Solve for x
    x = 38,134,794,419,349,376/183,725,564.40
  6. Step 6: Final answer
    x = 207,563,898.60

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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.