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Finding the Fourth Proportional to 238,636.80, 358,732.80 and 168,998.40

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Solution

The fourth proportional to 238,636.80, 358,732.80 and 168,998.40 is: 254,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,636.80 : 358,732.80 = 168,998.40 : x
  2. Step 2: Convert to fraction form
    238,636.80/358,732.80 = 168,998.40/x
  3. Step 3: Cross multiply
    238,636.80x = 358,732.80 × 168,998.40
  4. Step 4: Simplify right side
    238,636.80x = 60,625,269,227.52
  5. Step 5: Solve for x
    x = 60,625,269,227.52/238,636.80
  6. Step 6: Final answer
    x = 254,048.28

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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.