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Finding the Fourth Proportional to 251,121.95, 376,680.88 and 101,359.94

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Solution

The fourth proportional to 251,121.95, 376,680.88 and 101,359.94 is: 152,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,121.95 : 376,680.88 = 101,359.94 : x
  2. Step 2: Convert to fraction form
    251,121.95/376,680.88 = 101,359.94/x
  3. Step 3: Cross multiply
    251,121.95x = 376,680.88 × 101,359.94
  4. Step 4: Simplify right side
    251,121.95x = 38,180,351,395.95
  5. Step 5: Solve for x
    x = 38,180,351,395.95/251,121.95
  6. Step 6: Final answer
    x = 152,039.08

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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.