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Finding the Fourth Proportional to 168,880.92, 253,347.30 and 58,047

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Solution

The fourth proportional to 168,880.92, 253,347.30 and 58,047 is: 87,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,880.92 : 253,347.30 = 58,047 : x
  2. Step 2: Convert to fraction form
    168,880.92/253,347.30 = 58,047/x
  3. Step 3: Cross multiply
    168,880.92x = 253,347.30 × 58,047
  4. Step 4: Simplify right side
    168,880.92x = 14,706,050,723.10
  5. Step 5: Solve for x
    x = 14,706,050,723.10/168,880.92
  6. Step 6: Final answer
    x = 87,079.41

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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.