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Finding the Fourth Proportional to 251,304.69, 377,019 and 125,004.84

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Solution

The fourth proportional to 251,304.69, 377,019 and 125,004.84 is: 187,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,304.69 : 377,019 = 125,004.84 : x
  2. Step 2: Convert to fraction form
    251,304.69/377,019 = 125,004.84/x
  3. Step 3: Cross multiply
    251,304.69x = 377,019 × 125,004.84
  4. Step 4: Simplify right side
    251,304.69x = 47,129,199,771.96
  5. Step 5: Solve for x
    x = 47,129,199,771.96/251,304.69
  6. Step 6: Final answer
    x = 187,538.08

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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.