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Finding the Fourth Proportional to 184,671.90, 276,947.88 and 70,813.72

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Solution

The fourth proportional to 184,671.90, 276,947.88 and 70,813.72 is: 106,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,671.90 : 276,947.88 = 70,813.72 : x
  2. Step 2: Convert to fraction form
    184,671.90/276,947.88 = 70,813.72/x
  3. Step 3: Cross multiply
    184,671.90x = 276,947.88 × 70,813.72
  4. Step 4: Simplify right side
    184,671.90x = 19,611,709,709.55
  5. Step 5: Solve for x
    x = 19,611,709,709.55/184,671.90
  6. Step 6: Final answer
    x = 106,197.59

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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.