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Finding the Fourth Proportional to 101,899,628.52, 152,873,055.90 and 29,117,357.16

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Solution

The fourth proportional to 101,899,628.52, 152,873,055.90 and 29,117,357.16 is: 43,682,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,899,628.52 : 152,873,055.90 = 29,117,357.16 : x
  2. Step 2: Convert to fraction form
    101,899,628.52/152,873,055.90 = 29,117,357.16/x
  3. Step 3: Cross multiply
    101,899,628.52x = 152,873,055.90 × 29,117,357.16
  4. Step 4: Simplify right side
    101,899,628.52x = 4,451,259,368,780,945.50
  5. Step 5: Solve for x
    x = 4,451,259,368,780,945.50/101,899,628.52
  6. Step 6: Final answer
    x = 43,682,783.08

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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.