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Finding the Fourth Proportional to 200,891.55, 301,337.33 and 156,551.49

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Solution

The fourth proportional to 200,891.55, 301,337.33 and 156,551.49 is: 234,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,891.55 : 301,337.33 = 156,551.49 : x
  2. Step 2: Convert to fraction form
    200,891.55/301,337.33 = 156,551.49/x
  3. Step 3: Cross multiply
    200,891.55x = 301,337.33 × 156,551.49
  4. Step 4: Simplify right side
    200,891.55x = 47,174,808,004.12
  5. Step 5: Solve for x
    x = 47,174,808,004.12/200,891.55
  6. Step 6: Final answer
    x = 234,827.24

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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.