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Finding the Fourth Proportional to 61,202.93, 91,766.93 and 55,981.94

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Solution

The fourth proportional to 61,202.93, 91,766.93 and 55,981.94 is: 83,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,202.93 : 91,766.93 = 55,981.94 : x
  2. Step 2: Convert to fraction form
    61,202.93/91,766.93 = 55,981.94/x
  3. Step 3: Cross multiply
    61,202.93x = 91,766.93 × 55,981.94
  4. Step 4: Simplify right side
    61,202.93x = 5,137,290,030.50
  5. Step 5: Solve for x
    x = 5,137,290,030.50/61,202.93
  6. Step 6: Final answer
    x = 83,938.64

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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.