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Finding the Fourth Proportional to 265,763.10, 366,754.81 and 144,906.38

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Solution

The fourth proportional to 265,763.10, 366,754.81 and 144,906.38 is: 199,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,763.10 : 366,754.81 = 144,906.38 : x
  2. Step 2: Convert to fraction form
    265,763.10/366,754.81 = 144,906.38/x
  3. Step 3: Cross multiply
    265,763.10x = 366,754.81 × 144,906.38
  4. Step 4: Simplify right side
    265,763.10x = 53,145,111,864.69
  5. Step 5: Solve for x
    x = 53,145,111,864.69/265,763.10
  6. Step 6: Final answer
    x = 199,971.75

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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.