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Finding the Fourth Proportional to 201,896.90, 302,845.35 and 61,655.30

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Solution

The fourth proportional to 201,896.90, 302,845.35 and 61,655.30 is: 92,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,896.90 : 302,845.35 = 61,655.30 : x
  2. Step 2: Convert to fraction form
    201,896.90/302,845.35 = 61,655.30/x
  3. Step 3: Cross multiply
    201,896.90x = 302,845.35 × 61,655.30
  4. Step 4: Simplify right side
    201,896.90x = 18,672,020,907.86
  5. Step 5: Solve for x
    x = 18,672,020,907.86/201,896.90
  6. Step 6: Final answer
    x = 92,482.95

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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.