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Finding the Fourth Proportional to 73,927.40, 110,858.70 and 29,539.40

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Solution

The fourth proportional to 73,927.40, 110,858.70 and 29,539.40 is: 44,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,927.40 : 110,858.70 = 29,539.40 : x
  2. Step 2: Convert to fraction form
    73,927.40/110,858.70 = 29,539.40/x
  3. Step 3: Cross multiply
    73,927.40x = 110,858.70 × 29,539.40
  4. Step 4: Simplify right side
    73,927.40x = 3,274,699,482.78
  5. Step 5: Solve for x
    x = 3,274,699,482.78/73,927.40
  6. Step 6: Final answer
    x = 44,296.15

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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.