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Finding the Fourth Proportional to 169,502, 233,912.58 and 93,021.54

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Solution

The fourth proportional to 169,502, 233,912.58 and 93,021.54 is: 128,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,502 : 233,912.58 = 93,021.54 : x
  2. Step 2: Convert to fraction form
    169,502/233,912.58 = 93,021.54/x
  3. Step 3: Cross multiply
    169,502x = 233,912.58 × 93,021.54
  4. Step 4: Simplify right side
    169,502x = 21,758,908,416.97
  5. Step 5: Solve for x
    x = 21,758,908,416.97/169,502
  6. Step 6: Final answer
    x = 128,369.63

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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.