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Finding the Fourth Proportional to 159,074.60, 238,606.43 and 40,746.96

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Solution

The fourth proportional to 159,074.60, 238,606.43 and 40,746.96 is: 61,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,074.60 : 238,606.43 = 40,746.96 : x
  2. Step 2: Convert to fraction form
    159,074.60/238,606.43 = 40,746.96/x
  3. Step 3: Cross multiply
    159,074.60x = 238,606.43 × 40,746.96
  4. Step 4: Simplify right side
    159,074.60x = 9,722,486,455.22
  5. Step 5: Solve for x
    x = 9,722,486,455.22/159,074.60
  6. Step 6: Final answer
    x = 61,119.04

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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.