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Finding the Fourth Proportional to 144,585.81, 199,526.36 and 80,048.86

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Solution

The fourth proportional to 144,585.81, 199,526.36 and 80,048.86 is: 110,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585.81 : 199,526.36 = 80,048.86 : x
  2. Step 2: Convert to fraction form
    144,585.81/199,526.36 = 80,048.86/x
  3. Step 3: Cross multiply
    144,585.81x = 199,526.36 × 80,048.86
  4. Step 4: Simplify right side
    144,585.81x = 15,971,856,758.89
  5. Step 5: Solve for x
    x = 15,971,856,758.89/144,585.81
  6. Step 6: Final answer
    x = 110,466.28

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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.