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Finding the Fourth Proportional to 200,074,750.01, 300,455,571.80 and 122,805,387.56

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Solution

The fourth proportional to 200,074,750.01, 300,455,571.80 and 122,805,387.56 is: 184,418,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,074,750.01 : 300,455,571.80 = 122,805,387.56 : x
  2. Step 2: Convert to fraction form
    200,074,750.01/300,455,571.80 = 122,805,387.56/x
  3. Step 3: Cross multiply
    200,074,750.01x = 300,455,571.80 × 122,805,387.56
  4. Step 4: Simplify right side
    200,074,750.01x = 36,897,562,939,828,392
  5. Step 5: Solve for x
    x = 36,897,562,939,828,392/200,074,750.01
  6. Step 6: Final answer
    x = 184,418,888.13

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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.