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Finding the Fourth Proportional to 265,907.43, 366,959.16 and 145,050.75

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Solution

The fourth proportional to 265,907.43, 366,959.16 and 145,050.75 is: 200,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,907.43 : 366,959.16 = 145,050.75 : x
  2. Step 2: Convert to fraction form
    265,907.43/366,959.16 = 145,050.75/x
  3. Step 3: Cross multiply
    265,907.43x = 366,959.16 × 145,050.75
  4. Step 4: Simplify right side
    265,907.43x = 53,227,701,377.37
  5. Step 5: Solve for x
    x = 53,227,701,377.37/265,907.43
  6. Step 6: Final answer
    x = 200,173.80

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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.