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Finding the Fourth Proportional to 269,685.10, 403,750.05 and 164,709.10

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Solution

The fourth proportional to 269,685.10, 403,750.05 and 164,709.10 is: 246,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,685.10 : 403,750.05 = 164,709.10 : x
  2. Step 2: Convert to fraction form
    269,685.10/403,750.05 = 164,709.10/x
  3. Step 3: Cross multiply
    269,685.10x = 403,750.05 × 164,709.10
  4. Step 4: Simplify right side
    269,685.10x = 66,501,307,360.46
  5. Step 5: Solve for x
    x = 66,501,307,360.46/269,685.10
  6. Step 6: Final answer
    x = 246,588.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.