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Finding the Fourth Proportional to 185,392.44, 255,831.30 and 104,814.84

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Solution

The fourth proportional to 185,392.44, 255,831.30 and 104,814.84 is: 144,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,392.44 : 255,831.30 = 104,814.84 : x
  2. Step 2: Convert to fraction form
    185,392.44/255,831.30 = 104,814.84/x
  3. Step 3: Cross multiply
    185,392.44x = 255,831.30 × 104,814.84
  4. Step 4: Simplify right side
    185,392.44x = 26,814,916,776.49
  5. Step 5: Solve for x
    x = 26,814,916,776.49/185,392.44
  6. Step 6: Final answer
    x = 144,638.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.