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Finding the Fourth Proportional to 193,019,775.39, 289,366,933.88 and 83,762,640.88

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Solution

The fourth proportional to 193,019,775.39, 289,366,933.88 and 83,762,640.88 is: 125,573,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,019,775.39 : 289,366,933.88 = 83,762,640.88 : x
  2. Step 2: Convert to fraction form
    193,019,775.39/289,366,933.88 = 83,762,640.88/x
  3. Step 3: Cross multiply
    193,019,775.39x = 289,366,933.88 × 83,762,640.88
  4. Step 4: Simplify right side
    193,019,775.39x = 24,238,138,564,623,132
  5. Step 5: Solve for x
    x = 24,238,138,564,623,132/193,019,775.39
  6. Step 6: Final answer
    x = 125,573,343.54

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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.