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Finding the Fourth Proportional to 150,273.75, 207,377.78 and 83,210.07

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Solution

The fourth proportional to 150,273.75, 207,377.78 and 83,210.07 is: 114,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,273.75 : 207,377.78 = 83,210.07 : x
  2. Step 2: Convert to fraction form
    150,273.75/207,377.78 = 83,210.07/x
  3. Step 3: Cross multiply
    150,273.75x = 207,377.78 × 83,210.07
  4. Step 4: Simplify right side
    150,273.75x = 17,255,919,590.24
  5. Step 5: Solve for x
    x = 17,255,919,590.24/150,273.75
  6. Step 6: Final answer
    x = 114,829.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.