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Finding the Fourth Proportional to 183,913.79, 253,792.93 and 107,439.96

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Solution

The fourth proportional to 183,913.79, 253,792.93 and 107,439.96 is: 148,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,913.79 : 253,792.93 = 107,439.96 : x
  2. Step 2: Convert to fraction form
    183,913.79/253,792.93 = 107,439.96/x
  3. Step 3: Cross multiply
    183,913.79x = 253,792.93 × 107,439.96
  4. Step 4: Simplify right side
    183,913.79x = 27,267,501,978.88
  5. Step 5: Solve for x
    x = 27,267,501,978.88/183,913.79
  6. Step 6: Final answer
    x = 148,262.42

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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.