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Finding the Fourth Proportional to 269,365.32, 404,045.31 and 103,153.32

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Solution

The fourth proportional to 269,365.32, 404,045.31 and 103,153.32 is: 154,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,365.32 : 404,045.31 = 103,153.32 : x
  2. Step 2: Convert to fraction form
    269,365.32/404,045.31 = 103,153.32/x
  3. Step 3: Cross multiply
    269,365.32x = 404,045.31 × 103,153.32
  4. Step 4: Simplify right side
    269,365.32x = 41,678,615,156.93
  5. Step 5: Solve for x
    x = 41,678,615,156.93/269,365.32
  6. Step 6: Final answer
    x = 154,728.96

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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.