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Finding the Fourth Proportional to 141,825.68, 212,623.68 and 53,066.42

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Solution

The fourth proportional to 141,825.68, 212,623.68 and 53,066.42 is: 79,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,825.68 : 212,623.68 = 53,066.42 : x
  2. Step 2: Convert to fraction form
    141,825.68/212,623.68 = 53,066.42/x
  3. Step 3: Cross multiply
    141,825.68x = 212,623.68 × 53,066.42
  4. Step 4: Simplify right side
    141,825.68x = 11,283,177,504.83
  5. Step 5: Solve for x
    x = 11,283,177,504.83/141,825.68
  6. Step 6: Final answer
    x = 79,556.66

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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.