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Finding the Fourth Proportional to 168,806.72, 232,734.12 and 105,030.56

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Solution

The fourth proportional to 168,806.72, 232,734.12 and 105,030.56 is: 144,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,806.72 : 232,734.12 = 105,030.56 : x
  2. Step 2: Convert to fraction form
    168,806.72/232,734.12 = 105,030.56/x
  3. Step 3: Cross multiply
    168,806.72x = 232,734.12 × 105,030.56
  4. Step 4: Simplify right side
    168,806.72x = 24,444,194,954.71
  5. Step 5: Solve for x
    x = 24,444,194,954.71/168,806.72
  6. Step 6: Final answer
    x = 144,805.82

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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.