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Finding the Fourth Proportional to 212,602.84, 318,860.44 and 94,198.66

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Solution

The fourth proportional to 212,602.84, 318,860.44 and 94,198.66 is: 141,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,602.84 : 318,860.44 = 94,198.66 : x
  2. Step 2: Convert to fraction form
    212,602.84/318,860.44 = 94,198.66/x
  3. Step 3: Cross multiply
    212,602.84x = 318,860.44 × 94,198.66
  4. Step 4: Simplify right side
    212,602.84x = 30,036,226,175.01
  5. Step 5: Solve for x
    x = 30,036,226,175.01/212,602.84
  6. Step 6: Final answer
    x = 141,278.57

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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.