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Finding the Fourth Proportional to 251,014.76, 376,510.62 and 84,804.20

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Solution

The fourth proportional to 251,014.76, 376,510.62 and 84,804.20 is: 127,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,014.76 : 376,510.62 = 84,804.20 : x
  2. Step 2: Convert to fraction form
    251,014.76/376,510.62 = 84,804.20/x
  3. Step 3: Cross multiply
    251,014.76x = 376,510.62 × 84,804.20
  4. Step 4: Simplify right side
    251,014.76x = 31,929,681,920.60
  5. Step 5: Solve for x
    x = 31,929,681,920.60/251,014.76
  6. Step 6: Final answer
    x = 127,202.41

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1.5x scale

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.