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Finding the Fourth Proportional to 208,805.52, 313,205.58 and 51,035.34

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Solution

The fourth proportional to 208,805.52, 313,205.58 and 51,035.34 is: 76,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,805.52 : 313,205.58 = 51,035.34 : x
  2. Step 2: Convert to fraction form
    208,805.52/313,205.58 = 51,035.34/x
  3. Step 3: Cross multiply
    208,805.52x = 313,205.58 × 51,035.34
  4. Step 4: Simplify right side
    208,805.52x = 15,984,553,265.20
  5. Step 5: Solve for x
    x = 15,984,553,265.20/208,805.52
  6. Step 6: Final answer
    x = 76,552.35

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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.