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Finding the Fourth Proportional to 66,036.99, 99,051.84 and 48,285.84

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Solution

The fourth proportional to 66,036.99, 99,051.84 and 48,285.84 is: 72,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,036.99 : 99,051.84 = 48,285.84 : x
  2. Step 2: Convert to fraction form
    66,036.99/99,051.84 = 48,285.84/x
  3. Step 3: Cross multiply
    66,036.99x = 99,051.84 × 48,285.84
  4. Step 4: Simplify right side
    66,036.99x = 4,782,801,297.95
  5. Step 5: Solve for x
    x = 4,782,801,297.95/66,036.99
  6. Step 6: Final answer
    x = 72,426.09

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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.