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Finding the Fourth Proportional to 265,283.90, 366,084.87 and 144,427.58

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Solution

The fourth proportional to 265,283.90, 366,084.87 and 144,427.58 is: 199,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,283.90 : 366,084.87 = 144,427.58 : x
  2. Step 2: Convert to fraction form
    265,283.90/366,084.87 = 144,427.58/x
  3. Step 3: Cross multiply
    265,283.90x = 366,084.87 × 144,427.58
  4. Step 4: Simplify right side
    265,283.90x = 52,872,751,848.71
  5. Step 5: Solve for x
    x = 52,872,751,848.71/265,283.90
  6. Step 6: Final answer
    x = 199,306.30

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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.