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Finding the Fourth Proportional to 249,104.55, 373,719.41 and 71,611.88

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Solution

The fourth proportional to 249,104.55, 373,719.41 and 71,611.88 is: 107,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,104.55 : 373,719.41 = 71,611.88 : x
  2. Step 2: Convert to fraction form
    249,104.55/373,719.41 = 71,611.88/x
  3. Step 3: Cross multiply
    249,104.55x = 373,719.41 × 71,611.88
  4. Step 4: Simplify right side
    249,104.55x = 26,762,749,542.59
  5. Step 5: Solve for x
    x = 26,762,749,542.59/249,104.55
  6. Step 6: Final answer
    x = 107,435.81

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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.