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Finding the Fourth Proportional to 111,193.17, 166,790.09 and 26,953.00

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Solution

The fourth proportional to 111,193.17, 166,790.09 and 26,953.00 is: 40,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193.17 : 166,790.09 = 26,953.00 : x
  2. Step 2: Convert to fraction form
    111,193.17/166,790.09 = 26,953.00/x
  3. Step 3: Cross multiply
    111,193.17x = 166,790.09 × 26,953.00
  4. Step 4: Simplify right side
    111,193.17x = 4,495,492,744.03
  5. Step 5: Solve for x
    x = 4,495,492,744.03/111,193.17
  6. Step 6: Final answer
    x = 40,429.58

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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.