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Finding the Fourth Proportional to 249,867.82, 374,635.63 and 137,600.90

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Solution

The fourth proportional to 249,867.82, 374,635.63 and 137,600.90 is: 206,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,867.82 : 374,635.63 = 137,600.90 : x
  2. Step 2: Convert to fraction form
    249,867.82/374,635.63 = 137,600.90/x
  3. Step 3: Cross multiply
    249,867.82x = 374,635.63 × 137,600.90
  4. Step 4: Simplify right side
    249,867.82x = 51,550,199,860.07
  5. Step 5: Solve for x
    x = 51,550,199,860.07/249,867.82
  6. Step 6: Final answer
    x = 206,309.88

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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.