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Finding the Fourth Proportional to 249,367.82, 344,129.79 and 141,944.77

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Solution

The fourth proportional to 249,367.82, 344,129.79 and 141,944.77 is: 195,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,367.82 : 344,129.79 = 141,944.77 : x
  2. Step 2: Convert to fraction form
    249,367.82/344,129.79 = 141,944.77/x
  3. Step 3: Cross multiply
    249,367.82x = 344,129.79 × 141,944.77
  4. Step 4: Simplify right side
    249,367.82x = 48,847,422,499.08
  5. Step 5: Solve for x
    x = 48,847,422,499.08/249,367.82
  6. Step 6: Final answer
    x = 195,885.03

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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.