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Finding the Fourth Proportional to 114,605.48, 171,975.15 and 48,040.49

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Solution

The fourth proportional to 114,605.48, 171,975.15 and 48,040.49 is: 72,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,605.48 : 171,975.15 = 48,040.49 : x
  2. Step 2: Convert to fraction form
    114,605.48/171,975.15 = 48,040.49/x
  3. Step 3: Cross multiply
    114,605.48x = 171,975.15 × 48,040.49
  4. Step 4: Simplify right side
    114,605.48x = 8,261,770,903.76
  5. Step 5: Solve for x
    x = 8,261,770,903.76/114,605.48
  6. Step 6: Final answer
    x = 72,088.79

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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.