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Finding the Fourth Proportional to 243,952.80, 365,741.61 and 123,911.12

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Solution

The fourth proportional to 243,952.80, 365,741.61 and 123,911.12 is: 185,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,952.80 : 365,741.61 = 123,911.12 : x
  2. Step 2: Convert to fraction form
    243,952.80/365,741.61 = 123,911.12/x
  3. Step 3: Cross multiply
    243,952.80x = 365,741.61 × 123,911.12
  4. Step 4: Simplify right side
    243,952.80x = 45,319,450,697.00
  5. Step 5: Solve for x
    x = 45,319,450,697.00/243,952.80
  6. Step 6: Final answer
    x = 185,771.39

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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.