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Finding the Fourth Proportional to 265,618.36, 366,547 and 144,763.48

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Solution

The fourth proportional to 265,618.36, 366,547 and 144,763.48 is: 199,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,618.36 : 366,547 = 144,763.48 : x
  2. Step 2: Convert to fraction form
    265,618.36/366,547 = 144,763.48/x
  3. Step 3: Cross multiply
    265,618.36x = 366,547 × 144,763.48
  4. Step 4: Simplify right side
    265,618.36x = 53,062,619,303.56
  5. Step 5: Solve for x
    x = 53,062,619,303.56/265,618.36
  6. Step 6: Final answer
    x = 199,770.15

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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.