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Finding the Fourth Proportional to 91,866.33, 137,671.02 and 49,655.34

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Solution

The fourth proportional to 91,866.33, 137,671.02 and 49,655.34 is: 74,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,866.33 : 137,671.02 = 49,655.34 : x
  2. Step 2: Convert to fraction form
    91,866.33/137,671.02 = 49,655.34/x
  3. Step 3: Cross multiply
    91,866.33x = 137,671.02 × 49,655.34
  4. Step 4: Simplify right side
    91,866.33x = 6,836,101,306.25
  5. Step 5: Solve for x
    x = 6,836,101,306.25/91,866.33
  6. Step 6: Final answer
    x = 74,413.57

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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.