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Finding the Fourth Proportional to 203,241.58, 304,878.15 and 61,075.77

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Solution

The fourth proportional to 203,241.58, 304,878.15 and 61,075.77 is: 91,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,241.58 : 304,878.15 = 61,075.77 : x
  2. Step 2: Convert to fraction form
    203,241.58/304,878.15 = 61,075.77/x
  3. Step 3: Cross multiply
    203,241.58x = 304,878.15 × 61,075.77
  4. Step 4: Simplify right side
    203,241.58x = 18,620,667,767.43
  5. Step 5: Solve for x
    x = 18,620,667,767.43/203,241.58
  6. Step 6: Final answer
    x = 91,618.40

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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.