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Finding the Fourth Proportional to 265,805.66, 366,820.67 and 144,953.55

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Solution

The fourth proportional to 265,805.66, 366,820.67 and 144,953.55 is: 200,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,805.66 : 366,820.67 = 144,953.55 : x
  2. Step 2: Convert to fraction form
    265,805.66/366,820.67 = 144,953.55/x
  3. Step 3: Cross multiply
    265,805.66x = 366,820.67 × 144,953.55
  4. Step 4: Simplify right side
    265,805.66x = 53,171,957,605.11
  5. Step 5: Solve for x
    x = 53,171,957,605.11/265,805.66
  6. Step 6: Final answer
    x = 200,040.73

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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.