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Finding the Fourth Proportional to 200,893.45, 301,340.19 and 156,553.39

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Solution

The fourth proportional to 200,893.45, 301,340.19 and 156,553.39 is: 234,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,893.45 : 301,340.19 = 156,553.39 : x
  2. Step 2: Convert to fraction form
    200,893.45/301,340.19 = 156,553.39/x
  3. Step 3: Cross multiply
    200,893.45x = 301,340.19 × 156,553.39
  4. Step 4: Simplify right side
    200,893.45x = 47,175,828,287.74
  5. Step 5: Solve for x
    x = 47,175,828,287.74/200,893.45
  6. Step 6: Final answer
    x = 234,830.10

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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.