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Finding the Fourth Proportional to 265,544.40, 366,446.66 and 144,686.68

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Solution

The fourth proportional to 265,544.40, 366,446.66 and 144,686.68 is: 199,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,544.40 : 366,446.66 = 144,686.68 : x
  2. Step 2: Convert to fraction form
    265,544.40/366,446.66 = 144,686.68/x
  3. Step 3: Cross multiply
    265,544.40x = 366,446.66 × 144,686.68
  4. Step 4: Simplify right side
    265,544.40x = 53,019,950,632.49
  5. Step 5: Solve for x
    x = 53,019,950,632.49/265,544.40
  6. Step 6: Final answer
    x = 199,665.11

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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.