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Finding the Fourth Proportional to 184,244.40, 276,512.40 and 71,978.40

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Solution

The fourth proportional to 184,244.40, 276,512.40 and 71,978.40 is: 108,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,244.40 : 276,512.40 = 71,978.40 : x
  2. Step 2: Convert to fraction form
    184,244.40/276,512.40 = 71,978.40/x
  3. Step 3: Cross multiply
    184,244.40x = 276,512.40 × 71,978.40
  4. Step 4: Simplify right side
    184,244.40x = 19,902,920,132.16
  5. Step 5: Solve for x
    x = 19,902,920,132.16/184,244.40
  6. Step 6: Final answer
    x = 108,024.56

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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.