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Finding the Fourth Proportional to 168,007.36, 252,015.36 and 48,082

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Solution

The fourth proportional to 168,007.36, 252,015.36 and 48,082 is: 72,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,007.36 : 252,015.36 = 48,082 : x
  2. Step 2: Convert to fraction form
    168,007.36/252,015.36 = 48,082/x
  3. Step 3: Cross multiply
    168,007.36x = 252,015.36 × 48,082
  4. Step 4: Simplify right side
    168,007.36x = 12,117,402,539.52
  5. Step 5: Solve for x
    x = 12,117,402,539.52/168,007.36
  6. Step 6: Final answer
    x = 72,124.24

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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.