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Finding the Fourth Proportional to 249,197.87, 343,881.10 and 141,757.85

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Solution

The fourth proportional to 249,197.87, 343,881.10 and 141,757.85 is: 195,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,197.87 : 343,881.10 = 141,757.85 : x
  2. Step 2: Convert to fraction form
    249,197.87/343,881.10 = 141,757.85/x
  3. Step 3: Cross multiply
    249,197.87x = 343,881.10 × 141,757.85
  4. Step 4: Simplify right side
    249,197.87x = 48,747,845,391.64
  5. Step 5: Solve for x
    x = 48,747,845,391.64/249,197.87
  6. Step 6: Final answer
    x = 195,619.03

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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.