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Finding the Fourth Proportional to 147,141, 203,040.54 and 82,595.46

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Solution

The fourth proportional to 147,141, 203,040.54 and 82,595.46 is: 113,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,141 : 203,040.54 = 82,595.46 : x
  2. Step 2: Convert to fraction form
    147,141/203,040.54 = 82,595.46/x
  3. Step 3: Cross multiply
    147,141x = 203,040.54 × 82,595.46
  4. Step 4: Simplify right side
    147,141x = 16,770,226,799.95
  5. Step 5: Solve for x
    x = 16,770,226,799.95/147,141
  6. Step 6: Final answer
    x = 113,973.85

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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.