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Finding the Fourth Proportional to 243,569.76, 365,391.09 and 75,076.08

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Solution

The fourth proportional to 243,569.76, 365,391.09 and 75,076.08 is: 112,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,569.76 : 365,391.09 = 75,076.08 : x
  2. Step 2: Convert to fraction form
    243,569.76/365,391.09 = 75,076.08/x
  3. Step 3: Cross multiply
    243,569.76x = 365,391.09 × 75,076.08
  4. Step 4: Simplify right side
    243,569.76x = 27,432,130,704.13
  5. Step 5: Solve for x
    x = 27,432,130,704.13/243,569.76
  6. Step 6: Final answer
    x = 112,625.36

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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.