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Finding the Fourth Proportional to 169,360.84, 233,684.86 and 100,437.54

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Solution

The fourth proportional to 169,360.84, 233,684.86 and 100,437.54 is: 138,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,360.84 : 233,684.86 = 100,437.54 : x
  2. Step 2: Convert to fraction form
    169,360.84/233,684.86 = 100,437.54/x
  3. Step 3: Cross multiply
    169,360.84x = 233,684.86 × 100,437.54
  4. Step 4: Simplify right side
    169,360.84x = 23,470,732,473.64
  5. Step 5: Solve for x
    x = 23,470,732,473.64/169,360.84
  6. Step 6: Final answer
    x = 138,584.18

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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.