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Finding the Fourth Proportional to 265,907.99, 366,955.37 and 145,049.83

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Solution

The fourth proportional to 265,907.99, 366,955.37 and 145,049.83 is: 200,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,907.99 : 366,955.37 = 145,049.83 : x
  2. Step 2: Convert to fraction form
    265,907.99/366,955.37 = 145,049.83/x
  3. Step 3: Cross multiply
    265,907.99x = 366,955.37 × 145,049.83
  4. Step 4: Simplify right side
    265,907.99x = 53,226,812,937.39
  5. Step 5: Solve for x
    x = 53,226,812,937.39/265,907.99
  6. Step 6: Final answer
    x = 200,170.04

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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.