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Finding the Fourth Proportional to 251,729.69, 377,595.54 and 101,972.79

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Solution

The fourth proportional to 251,729.69, 377,595.54 and 101,972.79 is: 152,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,729.69 : 377,595.54 = 101,972.79 : x
  2. Step 2: Convert to fraction form
    251,729.69/377,595.54 = 101,972.79/x
  3. Step 3: Cross multiply
    251,729.69x = 377,595.54 × 101,972.79
  4. Step 4: Simplify right side
    251,729.69x = 38,504,470,705.36
  5. Step 5: Solve for x
    x = 38,504,470,705.36/251,729.69
  6. Step 6: Final answer
    x = 152,959.60

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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.