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Finding the Fourth Proportional to 251,349.51, 377,020.95 and 61,811.52

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Solution

The fourth proportional to 251,349.51, 377,020.95 and 61,811.52 is: 92,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,349.51 : 377,020.95 = 61,811.52 : x
  2. Step 2: Convert to fraction form
    251,349.51/377,020.95 = 61,811.52/x
  3. Step 3: Cross multiply
    251,349.51x = 377,020.95 × 61,811.52
  4. Step 4: Simplify right side
    251,349.51x = 23,304,237,991.34
  5. Step 5: Solve for x
    x = 23,304,237,991.34/251,349.51
  6. Step 6: Final answer
    x = 92,716.46

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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.