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Finding the Fourth Proportional to 109,673.65, 164,576.01 and 100,750.69

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Solution

The fourth proportional to 109,673.65, 164,576.01 and 100,750.69 is: 151,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,673.65 : 164,576.01 = 100,750.69 : x
  2. Step 2: Convert to fraction form
    109,673.65/164,576.01 = 100,750.69/x
  3. Step 3: Cross multiply
    109,673.65x = 164,576.01 × 100,750.69
  4. Step 4: Simplify right side
    109,673.65x = 16,581,145,742.07
  5. Step 5: Solve for x
    x = 16,581,145,742.07/109,673.65
  6. Step 6: Final answer
    x = 151,186.24

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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.