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Finding the Fourth Proportional to 114,390.34, 171,612.74 and 39,511.10

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Solution

The fourth proportional to 114,390.34, 171,612.74 and 39,511.10 is: 59,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,390.34 : 171,612.74 = 39,511.10 : x
  2. Step 2: Convert to fraction form
    114,390.34/171,612.74 = 39,511.10/x
  3. Step 3: Cross multiply
    114,390.34x = 171,612.74 × 39,511.10
  4. Step 4: Simplify right side
    114,390.34x = 6,780,608,659.22
  5. Step 5: Solve for x
    x = 6,780,608,659.22/114,390.34
  6. Step 6: Final answer
    x = 59,276.06

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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.