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Finding the Fourth Proportional to 102,493.44, 153,779.88 and 35,940.96

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Solution

The fourth proportional to 102,493.44, 153,779.88 and 35,940.96 is: 53,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,493.44 : 153,779.88 = 35,940.96 : x
  2. Step 2: Convert to fraction form
    102,493.44/153,779.88 = 35,940.96/x
  3. Step 3: Cross multiply
    102,493.44x = 153,779.88 × 35,940.96
  4. Step 4: Simplify right side
    102,493.44x = 5,526,996,515.88
  5. Step 5: Solve for x
    x = 5,526,996,515.88/102,493.44
  6. Step 6: Final answer
    x = 53,925.37

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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.