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Finding the Fourth Proportional to 249,124, 343,798.42 and 135,954.04

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Solution

The fourth proportional to 249,124, 343,798.42 and 135,954.04 is: 187,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,124 : 343,798.42 = 135,954.04 : x
  2. Step 2: Convert to fraction form
    249,124/343,798.42 = 135,954.04/x
  3. Step 3: Cross multiply
    249,124x = 343,798.42 × 135,954.04
  4. Step 4: Simplify right side
    249,124x = 46,740,784,144.62
  5. Step 5: Solve for x
    x = 46,740,784,144.62/249,124
  6. Step 6: Final answer
    x = 187,620.56

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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.