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Finding the Fourth Proportional to 99,925.94, 137,895.45 and 54,604.08

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Solution

The fourth proportional to 99,925.94, 137,895.45 and 54,604.08 is: 75,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,925.94 : 137,895.45 = 54,604.08 : x
  2. Step 2: Convert to fraction form
    99,925.94/137,895.45 = 54,604.08/x
  3. Step 3: Cross multiply
    99,925.94x = 137,895.45 × 54,604.08
  4. Step 4: Simplify right side
    99,925.94x = 7,529,654,183.44
  5. Step 5: Solve for x
    x = 7,529,654,183.44/99,925.94
  6. Step 6: Final answer
    x = 75,352.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.