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Finding the Fourth Proportional to 251,635.55, 376,870.12 and 151,577.06

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Solution

The fourth proportional to 251,635.55, 376,870.12 and 151,577.06 is: 227,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,635.55 : 376,870.12 = 151,577.06 : x
  2. Step 2: Convert to fraction form
    251,635.55/376,870.12 = 151,577.06/x
  3. Step 3: Cross multiply
    251,635.55x = 376,870.12 × 151,577.06
  4. Step 4: Simplify right side
    251,635.55x = 57,124,862,528.15
  5. Step 5: Solve for x
    x = 57,124,862,528.15/251,635.55
  6. Step 6: Final answer
    x = 227,014.28

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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.