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Finding the Fourth Proportional to 249,198.88, 343,882.48 and 141,758.86

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Solution

The fourth proportional to 249,198.88, 343,882.48 and 141,758.86 is: 195,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,198.88 : 343,882.48 = 141,758.86 : x
  2. Step 2: Convert to fraction form
    249,198.88/343,882.48 = 141,758.86/x
  3. Step 3: Cross multiply
    249,198.88x = 343,882.48 × 141,758.86
  4. Step 4: Simplify right side
    249,198.88x = 48,748,388,338.77
  5. Step 5: Solve for x
    x = 48,748,388,338.77/249,198.88
  6. Step 6: Final answer
    x = 195,620.42

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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.