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Finding the Fourth Proportional to 216,021.60, 323,643.60 and 184,917.60

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Solution

The fourth proportional to 216,021.60, 323,643.60 and 184,917.60 is: 277,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021.60 : 323,643.60 = 184,917.60 : x
  2. Step 2: Convert to fraction form
    216,021.60/323,643.60 = 184,917.60/x
  3. Step 3: Cross multiply
    216,021.60x = 323,643.60 × 184,917.60
  4. Step 4: Simplify right side
    216,021.60x = 59,847,397,767.36
  5. Step 5: Solve for x
    x = 59,847,397,767.36/216,021.60
  6. Step 6: Final answer
    x = 277,043.58

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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.