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Finding the Fourth Proportional to 200,496.40, 300,428.19 and 73,962.52

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Solution

The fourth proportional to 200,496.40, 300,428.19 and 73,962.52 is: 110,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,496.40 : 300,428.19 = 73,962.52 : x
  2. Step 2: Convert to fraction form
    200,496.40/300,428.19 = 73,962.52/x
  3. Step 3: Cross multiply
    200,496.40x = 300,428.19 × 73,962.52
  4. Step 4: Simplify right side
    200,496.40x = 22,220,426,011.44
  5. Step 5: Solve for x
    x = 22,220,426,011.44/200,496.40
  6. Step 6: Final answer
    x = 110,827.06

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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.