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Finding the Fourth Proportional to 200,193.54, 300,365.64 and 104,070.84

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Solution

The fourth proportional to 200,193.54, 300,365.64 and 104,070.84 is: 156,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,193.54 : 300,365.64 = 104,070.84 : x
  2. Step 2: Convert to fraction form
    200,193.54/300,365.64 = 104,070.84/x
  3. Step 3: Cross multiply
    200,193.54x = 300,365.64 × 104,070.84
  4. Step 4: Simplify right side
    200,193.54x = 31,259,304,461.94
  5. Step 5: Solve for x
    x = 31,259,304,461.94/200,193.54
  6. Step 6: Final answer
    x = 156,145.42

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1.5x scale

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.