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Finding the Fourth Proportional to 249,044.01, 343,719.24 and 147,080.49

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Solution

The fourth proportional to 249,044.01, 343,719.24 and 147,080.49 is: 202,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,044.01 : 343,719.24 = 147,080.49 : x
  2. Step 2: Convert to fraction form
    249,044.01/343,719.24 = 147,080.49/x
  3. Step 3: Cross multiply
    249,044.01x = 343,719.24 × 147,080.49
  4. Step 4: Simplify right side
    249,044.01x = 50,554,394,241.63
  5. Step 5: Solve for x
    x = 50,554,394,241.63/249,044.01
  6. Step 6: Final answer
    x = 202,993.82

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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.