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Finding the Fourth Proportional to 159,967.08, 239,925.96 and 53,352.90

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Solution

The fourth proportional to 159,967.08, 239,925.96 and 53,352.90 is: 80,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,967.08 : 239,925.96 = 53,352.90 : x
  2. Step 2: Convert to fraction form
    159,967.08/239,925.96 = 53,352.90/x
  3. Step 3: Cross multiply
    159,967.08x = 239,925.96 × 53,352.90
  4. Step 4: Simplify right side
    159,967.08x = 12,800,745,751.28
  5. Step 5: Solve for x
    x = 12,800,745,751.28/159,967.08
  6. Step 6: Final answer
    x = 80,021.13

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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.