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Finding the Fourth Proportional to 200,644.80, 301,048.20 and 88,346.40

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Solution

The fourth proportional to 200,644.80, 301,048.20 and 88,346.40 is: 132,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,644.80 : 301,048.20 = 88,346.40 : x
  2. Step 2: Convert to fraction form
    200,644.80/301,048.20 = 88,346.40/x
  3. Step 3: Cross multiply
    200,644.80x = 301,048.20 × 88,346.40
  4. Step 4: Simplify right side
    200,644.80x = 26,596,524,696.48
  5. Step 5: Solve for x
    x = 26,596,524,696.48/200,644.80
  6. Step 6: Final answer
    x = 132,555.27

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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.