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Finding the Fourth Proportional to 140,052.79, 210,092.25 and 55,792.54

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Solution

The fourth proportional to 140,052.79, 210,092.25 and 55,792.54 is: 83,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,052.79 : 210,092.25 = 55,792.54 : x
  2. Step 2: Convert to fraction form
    140,052.79/210,092.25 = 55,792.54/x
  3. Step 3: Cross multiply
    140,052.79x = 210,092.25 × 55,792.54
  4. Step 4: Simplify right side
    140,052.79x = 11,721,580,261.82
  5. Step 5: Solve for x
    x = 11,721,580,261.82/140,052.79
  6. Step 6: Final answer
    x = 83,694.01

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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.