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Finding the Fourth Proportional to 200,041.40, 300,062.10 and 168,548.60

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Solution

The fourth proportional to 200,041.40, 300,062.10 and 168,548.60 is: 252,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,041.40 : 300,062.10 = 168,548.60 : x
  2. Step 2: Convert to fraction form
    200,041.40/300,062.10 = 168,548.60/x
  3. Step 3: Cross multiply
    200,041.40x = 300,062.10 × 168,548.60
  4. Step 4: Simplify right side
    200,041.40x = 50,575,046,868.06
  5. Step 5: Solve for x
    x = 50,575,046,868.06/200,041.40
  6. Step 6: Final answer
    x = 252,822.90

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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.