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Finding the Fourth Proportional to 99,252.80, 148,922.40 and 50,004.80

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Solution

The fourth proportional to 99,252.80, 148,922.40 and 50,004.80 is: 75,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,252.80 : 148,922.40 = 50,004.80 : x
  2. Step 2: Convert to fraction form
    99,252.80/148,922.40 = 50,004.80/x
  3. Step 3: Cross multiply
    99,252.80x = 148,922.40 × 50,004.80
  4. Step 4: Simplify right side
    99,252.80x = 7,446,834,827.52
  5. Step 5: Solve for x
    x = 7,446,834,827.52/99,252.80
  6. Step 6: Final answer
    x = 75,028.96

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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.