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Finding the Fourth Proportional to 184,246.40, 276,515.40 and 71,980.40

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Solution

The fourth proportional to 184,246.40, 276,515.40 and 71,980.40 is: 108,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,246.40 : 276,515.40 = 71,980.40 : x
  2. Step 2: Convert to fraction form
    184,246.40/276,515.40 = 71,980.40/x
  3. Step 3: Cross multiply
    184,246.40x = 276,515.40 × 71,980.40
  4. Step 4: Simplify right side
    184,246.40x = 19,903,689,098.16
  5. Step 5: Solve for x
    x = 19,903,689,098.16/184,246.40
  6. Step 6: Final answer
    x = 108,027.56

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1.5x scale

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.