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Finding the Fourth Proportional to 269,185.38, 371,492.40 and 148,326.64

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Solution

The fourth proportional to 269,185.38, 371,492.40 and 148,326.64 is: 204,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,185.38 : 371,492.40 = 148,326.64 : x
  2. Step 2: Convert to fraction form
    269,185.38/371,492.40 = 148,326.64/x
  3. Step 3: Cross multiply
    269,185.38x = 371,492.40 × 148,326.64
  4. Step 4: Simplify right side
    269,185.38x = 55,102,220,777.51
  5. Step 5: Solve for x
    x = 55,102,220,777.51/269,185.38
  6. Step 6: Final answer
    x = 204,699.90

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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.