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Finding the Fourth Proportional to 249,993.46, 344,982.46 and 142,598.26

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Solution

The fourth proportional to 249,993.46, 344,982.46 and 142,598.26 is: 196,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,993.46 : 344,982.46 = 142,598.26 : x
  2. Step 2: Convert to fraction form
    249,993.46/344,982.46 = 142,598.26/x
  3. Step 3: Cross multiply
    249,993.46x = 344,982.46 × 142,598.26
  4. Step 4: Simplify right side
    249,993.46x = 49,193,898,526.52
  5. Step 5: Solve for x
    x = 49,193,898,526.52/249,993.46
  6. Step 6: Final answer
    x = 196,780.74

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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.