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Finding the Fourth Proportional to 91,454.94, 137,187.72 and 35,295.36

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Solution

The fourth proportional to 91,454.94, 137,187.72 and 35,295.36 is: 52,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454.94 : 137,187.72 = 35,295.36 : x
  2. Step 2: Convert to fraction form
    91,454.94/137,187.72 = 35,295.36/x
  3. Step 3: Cross multiply
    91,454.94x = 137,187.72 × 35,295.36
  4. Step 4: Simplify right side
    91,454.94x = 4,842,089,964.98
  5. Step 5: Solve for x
    x = 4,842,089,964.98/91,454.94
  6. Step 6: Final answer
    x = 52,945.09

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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.