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Finding the Fourth Proportional to 114,200.64, 171,317.52 and 39,339.36

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Solution

The fourth proportional to 114,200.64, 171,317.52 and 39,339.36 is: 59,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,200.64 : 171,317.52 = 39,339.36 : x
  2. Step 2: Convert to fraction form
    114,200.64/171,317.52 = 39,339.36/x
  3. Step 3: Cross multiply
    114,200.64x = 171,317.52 × 39,339.36
  4. Step 4: Simplify right side
    114,200.64x = 6,739,521,593.59
  5. Step 5: Solve for x
    x = 6,739,521,593.59/114,200.64
  6. Step 6: Final answer
    x = 59,014.74

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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.