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Finding the Fourth Proportional to 91,858.46, 137,725.02 and 46,769.00

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Solution

The fourth proportional to 91,858.46, 137,725.02 and 46,769.00 is: 70,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.46 : 137,725.02 = 46,769.00 : x
  2. Step 2: Convert to fraction form
    91,858.46/137,725.02 = 46,769.00/x
  3. Step 3: Cross multiply
    91,858.46x = 137,725.02 × 46,769.00
  4. Step 4: Simplify right side
    91,858.46x = 6,441,260,771.75
  5. Step 5: Solve for x
    x = 6,441,260,771.75/91,858.46
  6. Step 6: Final answer
    x = 70,121.59

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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.