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Finding the Fourth Proportional to 269,088, 371,377.08 and 173,871.60

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Solution

The fourth proportional to 269,088, 371,377.08 and 173,871.60 is: 239,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,088 : 371,377.08 = 173,871.60 : x
  2. Step 2: Convert to fraction form
    269,088/371,377.08 = 173,871.60/x
  3. Step 3: Cross multiply
    269,088x = 371,377.08 × 173,871.60
  4. Step 4: Simplify right side
    269,088x = 64,571,927,102.93
  5. Step 5: Solve for x
    x = 64,571,927,102.93/269,088
  6. Step 6: Final answer
    x = 239,965.84

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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.