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Finding the Fourth Proportional to 228,365.28, 342,580.74 and 70,606.03

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Solution

The fourth proportional to 228,365.28, 342,580.74 and 70,606.03 is: 105,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,365.28 : 342,580.74 = 70,606.03 : x
  2. Step 2: Convert to fraction form
    228,365.28/342,580.74 = 70,606.03/x
  3. Step 3: Cross multiply
    228,365.28x = 342,580.74 × 70,606.03
  4. Step 4: Simplify right side
    228,365.28x = 24,188,266,169.32
  5. Step 5: Solve for x
    x = 24,188,266,169.32/228,365.28
  6. Step 6: Final answer
    x = 105,919.19

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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.