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Finding the Fourth Proportional to 61,902.94, 92,907.43 and 61,436.99

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Solution

The fourth proportional to 61,902.94, 92,907.43 and 61,436.99 is: 92,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,902.94 : 92,907.43 = 61,436.99 : x
  2. Step 2: Convert to fraction form
    61,902.94/92,907.43 = 61,436.99/x
  3. Step 3: Cross multiply
    61,902.94x = 92,907.43 × 61,436.99
  4. Step 4: Simplify right side
    61,902.94x = 5,707,952,076.11
  5. Step 5: Solve for x
    x = 5,707,952,076.11/61,902.94
  6. Step 6: Final answer
    x = 92,208.10

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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.