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Finding the Fourth Proportional to 159,288, 238,537.68 and 92,525.76

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Solution

The fourth proportional to 159,288, 238,537.68 and 92,525.76 is: 138,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,288 : 238,537.68 = 92,525.76 : x
  2. Step 2: Convert to fraction form
    159,288/238,537.68 = 92,525.76/x
  3. Step 3: Cross multiply
    159,288x = 238,537.68 × 92,525.76
  4. Step 4: Simplify right side
    159,288x = 22,070,880,130.64
  5. Step 5: Solve for x
    x = 22,070,880,130.64/159,288
  6. Step 6: Final answer
    x = 138,559.59

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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.