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Finding the Fourth Proportional to 200,890.55, 301,335.83 and 156,550.49

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Solution

The fourth proportional to 200,890.55, 301,335.83 and 156,550.49 is: 234,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,890.55 : 301,335.83 = 156,550.49 : x
  2. Step 2: Convert to fraction form
    200,890.55/301,335.83 = 156,550.49/x
  3. Step 3: Cross multiply
    200,890.55x = 301,335.83 × 156,550.49
  4. Step 4: Simplify right side
    200,890.55x = 47,174,271,841.06
  5. Step 5: Solve for x
    x = 47,174,271,841.06/200,890.55
  6. Step 6: Final answer
    x = 234,825.74

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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.