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Finding the Fourth Proportional to 126,018.52, 189,028.54 and 32,525.08

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Solution

The fourth proportional to 126,018.52, 189,028.54 and 32,525.08 is: 48,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,018.52 : 189,028.54 = 32,525.08 : x
  2. Step 2: Convert to fraction form
    126,018.52/189,028.54 = 32,525.08/x
  3. Step 3: Cross multiply
    126,018.52x = 189,028.54 × 32,525.08
  4. Step 4: Simplify right side
    126,018.52x = 6,148,168,385.78
  5. Step 5: Solve for x
    x = 6,148,168,385.78/126,018.52
  6. Step 6: Final answer
    x = 48,787.82

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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.