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Finding the Fourth Proportional to 195,790.98, 293,387.48 and 145,628.48

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Solution

The fourth proportional to 195,790.98, 293,387.48 and 145,628.48 is: 218,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,790.98 : 293,387.48 = 145,628.48 : x
  2. Step 2: Convert to fraction form
    195,790.98/293,387.48 = 145,628.48/x
  3. Step 3: Cross multiply
    195,790.98x = 293,387.48 × 145,628.48
  4. Step 4: Simplify right side
    195,790.98x = 42,725,572,763.43
  5. Step 5: Solve for x
    x = 42,725,572,763.43/195,790.98
  6. Step 6: Final answer
    x = 218,220.33

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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.