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Finding the Fourth Proportional to 249,172.42, 373,745.56 and 71,672.46

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Solution

The fourth proportional to 249,172.42, 373,745.56 and 71,672.46 is: 107,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,172.42 : 373,745.56 = 71,672.46 : x
  2. Step 2: Convert to fraction form
    249,172.42/373,745.56 = 71,672.46/x
  3. Step 3: Cross multiply
    249,172.42x = 373,745.56 × 71,672.46
  4. Step 4: Simplify right side
    249,172.42x = 26,787,261,472.19
  5. Step 5: Solve for x
    x = 26,787,261,472.19/249,172.42
  6. Step 6: Final answer
    x = 107,504.92

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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.