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Finding the Fourth Proportional to 249,866.82, 374,634.13 and 137,599.90

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Solution

The fourth proportional to 249,866.82, 374,634.13 and 137,599.90 is: 206,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,866.82 : 374,634.13 = 137,599.90 : x
  2. Step 2: Convert to fraction form
    249,866.82/374,634.13 = 137,599.90/x
  3. Step 3: Cross multiply
    249,866.82x = 374,634.13 × 137,599.90
  4. Step 4: Simplify right side
    249,866.82x = 51,549,618,824.59
  5. Step 5: Solve for x
    x = 51,549,618,824.59/249,866.82
  6. Step 6: Final answer
    x = 206,308.38

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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.