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Finding the Fourth Proportional to 101,804,997.56, 152,687,787.75 and 39,556,205.15

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Solution

The fourth proportional to 101,804,997.56, 152,687,787.75 and 39,556,205.15 is: 59,326,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,804,997.56 : 152,687,787.75 = 39,556,205.15 : x
  2. Step 2: Convert to fraction form
    101,804,997.56/152,687,787.75 = 39,556,205.15/x
  3. Step 3: Cross multiply
    101,804,997.56x = 152,687,787.75 × 39,556,205.15
  4. Step 4: Simplify right side
    101,804,997.56x = 6,039,749,455,375,218
  5. Step 5: Solve for x
    x = 6,039,749,455,375,218/101,804,997.56
  6. Step 6: Final answer
    x = 59,326,649.97

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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.