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Finding the Fourth Proportional to 249,805.22, 344,739.44 and 136,627.97

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Solution

The fourth proportional to 249,805.22, 344,739.44 and 136,627.97 is: 188,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,805.22 : 344,739.44 = 136,627.97 : x
  2. Step 2: Convert to fraction form
    249,805.22/344,739.44 = 136,627.97/x
  3. Step 3: Cross multiply
    249,805.22x = 344,739.44 × 136,627.97
  4. Step 4: Simplify right side
    249,805.22x = 47,101,048,484.01
  5. Step 5: Solve for x
    x = 47,101,048,484.01/249,805.22
  6. Step 6: Final answer
    x = 188,551.10

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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.