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Finding the Fourth Proportional to 159,246.56, 238,525.31 and 74,880.30

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Solution

The fourth proportional to 159,246.56, 238,525.31 and 74,880.30 is: 112,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,246.56 : 238,525.31 = 74,880.30 : x
  2. Step 2: Convert to fraction form
    159,246.56/238,525.31 = 74,880.30/x
  3. Step 3: Cross multiply
    159,246.56x = 238,525.31 × 74,880.30
  4. Step 4: Simplify right side
    159,246.56x = 17,860,846,089.16
  5. Step 5: Solve for x
    x = 17,860,846,089.16/159,246.56
  6. Step 6: Final answer
    x = 112,158.44

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1.5x scale

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.