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Finding the Fourth Proportional to 249,293.70, 343,905.75 and 181,205.10

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Solution

The fourth proportional to 249,293.70, 343,905.75 and 181,205.10 is: 249,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,293.70 : 343,905.75 = 181,205.10 : x
  2. Step 2: Convert to fraction form
    249,293.70/343,905.75 = 181,205.10/x
  3. Step 3: Cross multiply
    249,293.70x = 343,905.75 × 181,205.10
  4. Step 4: Simplify right side
    249,293.70x = 62,317,475,819.33
  5. Step 5: Solve for x
    x = 62,317,475,819.33/249,293.70
  6. Step 6: Final answer
    x = 249,976.14

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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.