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Finding the Fourth Proportional to 136,254.56, 205,661.56 and 136,254.56

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Solution

The fourth proportional to 136,254.56, 205,661.56 and 136,254.56 is: 205,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,254.56 : 205,661.56 = 136,254.56 : x
  2. Step 2: Convert to fraction form
    136,254.56/205,661.56 = 136,254.56/x
  3. Step 3: Cross multiply
    136,254.56x = 205,661.56 × 136,254.56
  4. Step 4: Simplify right side
    136,254.56x = 28,022,325,366.71
  5. Step 5: Solve for x
    x = 28,022,325,366.71/136,254.56
  6. Step 6: Final answer
    x = 205,661.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.