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Finding the Fourth Proportional to 184,648.40, 276,974.67 and 51,520.58

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Solution

The fourth proportional to 184,648.40, 276,974.67 and 51,520.58 is: 77,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,648.40 : 276,974.67 = 51,520.58 : x
  2. Step 2: Convert to fraction form
    184,648.40/276,974.67 = 51,520.58/x
  3. Step 3: Cross multiply
    184,648.40x = 276,974.67 × 51,520.58
  4. Step 4: Simplify right side
    184,648.40x = 14,269,895,643.71
  5. Step 5: Solve for x
    x = 14,269,895,643.71/184,648.40
  6. Step 6: Final answer
    x = 77,281.45

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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.