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Finding the Fourth Proportional to 181,099.42, 249,915.33 and 100,524.87

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Solution

The fourth proportional to 181,099.42, 249,915.33 and 100,524.87 is: 138,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,099.42 : 249,915.33 = 100,524.87 : x
  2. Step 2: Convert to fraction form
    181,099.42/249,915.33 = 100,524.87/x
  3. Step 3: Cross multiply
    181,099.42x = 249,915.33 × 100,524.87
  4. Step 4: Simplify right side
    181,099.42x = 25,122,706,059.26
  5. Step 5: Solve for x
    x = 25,122,706,059.26/181,099.42
  6. Step 6: Final answer
    x = 138,723.28

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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.