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Finding the Fourth Proportional to 200,901.92, 301,352.90 and 156,561.89

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Solution

The fourth proportional to 200,901.92, 301,352.90 and 156,561.89 is: 234,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,901.92 : 301,352.90 = 156,561.89 : x
  2. Step 2: Convert to fraction form
    200,901.92/301,352.90 = 156,561.89/x
  3. Step 3: Cross multiply
    200,901.92x = 301,352.90 × 156,561.89
  4. Step 4: Simplify right side
    200,901.92x = 47,180,379,580.98
  5. Step 5: Solve for x
    x = 47,180,379,580.98/200,901.92
  6. Step 6: Final answer
    x = 234,842.85

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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.