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Finding the Fourth Proportional to 208,671.70, 313,007.55 and 60,927.70

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Solution

The fourth proportional to 208,671.70, 313,007.55 and 60,927.70 is: 91,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,671.70 : 313,007.55 = 60,927.70 : x
  2. Step 2: Convert to fraction form
    208,671.70/313,007.55 = 60,927.70/x
  3. Step 3: Cross multiply
    208,671.70x = 313,007.55 × 60,927.70
  4. Step 4: Simplify right side
    208,671.70x = 19,070,830,104.14
  5. Step 5: Solve for x
    x = 19,070,830,104.14/208,671.70
  6. Step 6: Final answer
    x = 91,391.55

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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.