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Finding the Fourth Proportional to 184,782.34, 277,403.15 and 128,977.39

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Solution

The fourth proportional to 184,782.34, 277,403.15 and 128,977.39 is: 193,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,782.34 : 277,403.15 = 128,977.39 : x
  2. Step 2: Convert to fraction form
    184,782.34/277,403.15 = 128,977.39/x
  3. Step 3: Cross multiply
    184,782.34x = 277,403.15 × 128,977.39
  4. Step 4: Simplify right side
    184,782.34x = 35,778,734,264.78
  5. Step 5: Solve for x
    x = 35,778,734,264.78/184,782.34
  6. Step 6: Final answer
    x = 193,626.37

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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.