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Finding the Fourth Proportional to 169,155, 233,433.90 and 93,708.36

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Solution

The fourth proportional to 169,155, 233,433.90 and 93,708.36 is: 129,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,155 : 233,433.90 = 93,708.36 : x
  2. Step 2: Convert to fraction form
    169,155/233,433.90 = 93,708.36/x
  3. Step 3: Cross multiply
    169,155x = 233,433.90 × 93,708.36
  4. Step 4: Simplify right side
    169,155x = 21,874,707,937.40
  5. Step 5: Solve for x
    x = 21,874,707,937.40/169,155
  6. Step 6: Final answer
    x = 129,317.54

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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.