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Finding the Fourth Proportional to 249,800.22, 344,703.42 and 140,898.54

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Solution

The fourth proportional to 249,800.22, 344,703.42 and 140,898.54 is: 194,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,800.22 : 344,703.42 = 140,898.54 : x
  2. Step 2: Convert to fraction form
    249,800.22/344,703.42 = 140,898.54/x
  3. Step 3: Cross multiply
    249,800.22x = 344,703.42 × 140,898.54
  4. Step 4: Simplify right side
    249,800.22x = 48,568,208,611.01
  5. Step 5: Solve for x
    x = 48,568,208,611.01/249,800.22
  6. Step 6: Final answer
    x = 194,428.21

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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.