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Finding the Fourth Proportional to 185,366.34, 255,806.91 and 100,484.01

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Solution

The fourth proportional to 185,366.34, 255,806.91 and 100,484.01 is: 138,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,366.34 : 255,806.91 = 100,484.01 : x
  2. Step 2: Convert to fraction form
    185,366.34/255,806.91 = 100,484.01/x
  3. Step 3: Cross multiply
    185,366.34x = 255,806.91 × 100,484.01
  4. Step 4: Simplify right side
    185,366.34x = 25,704,504,102.51
  5. Step 5: Solve for x
    x = 25,704,504,102.51/185,366.34
  6. Step 6: Final answer
    x = 138,668.67

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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.