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Finding the Fourth Proportional to 221,887.80, 332,831.70 and 184,490.10

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Solution

The fourth proportional to 221,887.80, 332,831.70 and 184,490.10 is: 276,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,887.80 : 332,831.70 = 184,490.10 : x
  2. Step 2: Convert to fraction form
    221,887.80/332,831.70 = 184,490.10/x
  3. Step 3: Cross multiply
    221,887.80x = 332,831.70 × 184,490.10
  4. Step 4: Simplify right side
    221,887.80x = 61,404,153,616.17
  5. Step 5: Solve for x
    x = 61,404,153,616.17/221,887.80
  6. Step 6: Final answer
    x = 276,735.15

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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.