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Finding the Fourth Proportional to 249,994.76, 374,914.37 and 83,743.88

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Solution

The fourth proportional to 249,994.76, 374,914.37 and 83,743.88 is: 125,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,994.76 : 374,914.37 = 83,743.88 : x
  2. Step 2: Convert to fraction form
    249,994.76/374,914.37 = 83,743.88/x
  3. Step 3: Cross multiply
    249,994.76x = 374,914.37 × 83,743.88
  4. Step 4: Simplify right side
    249,994.76x = 31,396,782,346.34
  5. Step 5: Solve for x
    x = 31,396,782,346.34/249,994.76
  6. Step 6: Final answer
    x = 125,589.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.