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Finding the Fourth Proportional to 186,450.67, 257,282.76 and 104,765.95

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Solution

The fourth proportional to 186,450.67, 257,282.76 and 104,765.95 is: 144,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,450.67 : 257,282.76 = 104,765.95 : x
  2. Step 2: Convert to fraction form
    186,450.67/257,282.76 = 104,765.95/x
  3. Step 3: Cross multiply
    186,450.67x = 257,282.76 × 104,765.95
  4. Step 4: Simplify right side
    186,450.67x = 26,954,472,770.02
  5. Step 5: Solve for x
    x = 26,954,472,770.02/186,450.67
  6. Step 6: Final answer
    x = 144,566.24

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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.