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Finding the Fourth Proportional to 251,266.68, 376,941.06 and 73,779.48

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Solution

The fourth proportional to 251,266.68, 376,941.06 and 73,779.48 is: 110,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,266.68 : 376,941.06 = 73,779.48 : x
  2. Step 2: Convert to fraction form
    251,266.68/376,941.06 = 73,779.48/x
  3. Step 3: Cross multiply
    251,266.68x = 376,941.06 × 73,779.48
  4. Step 4: Simplify right side
    251,266.68x = 27,810,515,397.45
  5. Step 5: Solve for x
    x = 27,810,515,397.45/251,266.68
  6. Step 6: Final answer
    x = 110,681.27

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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.