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Finding the Fourth Proportional to 200,397.88, 300,602.28 and 60,156.52

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Solution

The fourth proportional to 200,397.88, 300,602.28 and 60,156.52 is: 90,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,397.88 : 300,602.28 = 60,156.52 : x
  2. Step 2: Convert to fraction form
    200,397.88/300,602.28 = 60,156.52/x
  3. Step 3: Cross multiply
    200,397.88x = 300,602.28 × 60,156.52
  4. Step 4: Simplify right side
    200,397.88x = 18,083,187,068.87
  5. Step 5: Solve for x
    x = 18,083,187,068.87/200,397.88
  6. Step 6: Final answer
    x = 90,236.42

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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.