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Finding the Fourth Proportional to 186,504.98, 257,376.92 and 101,622.05

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Solution

The fourth proportional to 186,504.98, 257,376.92 and 101,622.05 is: 140,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,504.98 : 257,376.92 = 101,622.05 : x
  2. Step 2: Convert to fraction form
    186,504.98/257,376.92 = 101,622.05/x
  3. Step 3: Cross multiply
    186,504.98x = 257,376.92 × 101,622.05
  4. Step 4: Simplify right side
    186,504.98x = 26,155,170,233.09
  5. Step 5: Solve for x
    x = 26,155,170,233.09/186,504.98
  6. Step 6: Final answer
    x = 140,238.45

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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.