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Finding the Fourth Proportional to 195,576.80, 293,948.40 and 192,077.60

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Solution

The fourth proportional to 195,576.80, 293,948.40 and 192,077.60 is: 288,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,576.80 : 293,948.40 = 192,077.60 : x
  2. Step 2: Convert to fraction form
    195,576.80/293,948.40 = 192,077.60/x
  3. Step 3: Cross multiply
    195,576.80x = 293,948.40 × 192,077.60
  4. Step 4: Simplify right side
    195,576.80x = 56,460,903,195.84
  5. Step 5: Solve for x
    x = 56,460,903,195.84/195,576.80
  6. Step 6: Final answer
    x = 288,689.17

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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.