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Finding the Fourth Proportional to 61,202.90, 91,804.35 and 61,202.90

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Solution

The fourth proportional to 61,202.90, 91,804.35 and 61,202.90 is: 91,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,202.90 : 91,804.35 = 61,202.90 : x
  2. Step 2: Convert to fraction form
    61,202.90/91,804.35 = 61,202.90/x
  3. Step 3: Cross multiply
    61,202.90x = 91,804.35 × 61,202.90
  4. Step 4: Simplify right side
    61,202.90x = 5,618,692,452.62
  5. Step 5: Solve for x
    x = 5,618,692,452.62/61,202.90
  6. Step 6: Final answer
    x = 91,804.35

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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.