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Finding the Fourth Proportional to 265,813.67, 366,831.72 and 144,961.55

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Solution

The fourth proportional to 265,813.67, 366,831.72 and 144,961.55 is: 200,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,813.67 : 366,831.72 = 144,961.55 : x
  2. Step 2: Convert to fraction form
    265,813.67/366,831.72 = 144,961.55/x
  3. Step 3: Cross multiply
    265,813.67x = 366,831.72 × 144,961.55
  4. Step 4: Simplify right side
    265,813.67x = 53,176,494,720.37
  5. Step 5: Solve for x
    x = 53,176,494,720.37/265,813.67
  6. Step 6: Final answer
    x = 200,051.77

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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.