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Finding the Fourth Proportional to 159,047.96, 238,579.24 and 112,508.60

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Solution

The fourth proportional to 159,047.96, 238,579.24 and 112,508.60 is: 168,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,047.96 : 238,579.24 = 112,508.60 : x
  2. Step 2: Convert to fraction form
    159,047.96/238,579.24 = 112,508.60/x
  3. Step 3: Cross multiply
    159,047.96x = 238,579.24 × 112,508.60
  4. Step 4: Simplify right side
    159,047.96x = 26,842,216,281.46
  5. Step 5: Solve for x
    x = 26,842,216,281.46/159,047.96
  6. Step 6: Final answer
    x = 168,768.06

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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.