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Finding the Fourth Proportional to 265,442.49, 366,311.16 and 144,583.40

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Solution

The fourth proportional to 265,442.49, 366,311.16 and 144,583.40 is: 199,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,442.49 : 366,311.16 = 144,583.40 : x
  2. Step 2: Convert to fraction form
    265,442.49/366,311.16 = 144,583.40/x
  3. Step 3: Cross multiply
    265,442.49x = 366,311.16 × 144,583.40
  4. Step 4: Simplify right side
    265,442.49x = 52,962,513,886.52
  5. Step 5: Solve for x
    x = 52,962,513,886.52/265,442.49
  6. Step 6: Final answer
    x = 199,525.38

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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.