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Finding the Fourth Proportional to 265,603.59, 366,522.26 and 144,742.28

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Solution

The fourth proportional to 265,603.59, 366,522.26 and 144,742.28 is: 199,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,603.59 : 366,522.26 = 144,742.28 : x
  2. Step 2: Convert to fraction form
    265,603.59/366,522.26 = 144,742.28/x
  3. Step 3: Cross multiply
    265,603.59x = 366,522.26 × 144,742.28
  4. Step 4: Simplify right side
    265,603.59x = 53,051,265,026.83
  5. Step 5: Solve for x
    x = 53,051,265,026.83/265,603.59
  6. Step 6: Final answer
    x = 199,738.51

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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.