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Finding the Fourth Proportional to 194,361.90, 291,214.80 and 94,306.65

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Solution

The fourth proportional to 194,361.90, 291,214.80 and 94,306.65 is: 141,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,361.90 : 291,214.80 = 94,306.65 : x
  2. Step 2: Convert to fraction form
    194,361.90/291,214.80 = 94,306.65/x
  3. Step 3: Cross multiply
    194,361.90x = 291,214.80 × 94,306.65
  4. Step 4: Simplify right side
    194,361.90x = 27,463,492,218.42
  5. Step 5: Solve for x
    x = 27,463,492,218.42/194,361.90
  6. Step 6: Final answer
    x = 141,300.80

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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.