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Finding the Fourth Proportional to 251,236.67, 376,928.31 and 101,400.44

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Solution

The fourth proportional to 251,236.67, 376,928.31 and 101,400.44 is: 152,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,236.67 : 376,928.31 = 101,400.44 : x
  2. Step 2: Convert to fraction form
    251,236.67/376,928.31 = 101,400.44/x
  3. Step 3: Cross multiply
    251,236.67x = 376,928.31 × 101,400.44
  4. Step 4: Simplify right side
    251,236.67x = 38,220,696,482.46
  5. Step 5: Solve for x
    x = 38,220,696,482.46/251,236.67
  6. Step 6: Final answer
    x = 152,130.25

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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.