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Finding the Fourth Proportional to 213,169.60, 319,754.41 and 63,412.04

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Solution

The fourth proportional to 213,169.60, 319,754.41 and 63,412.04 is: 95,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,169.60 : 319,754.41 = 63,412.04 : x
  2. Step 2: Convert to fraction form
    213,169.60/319,754.41 = 63,412.04/x
  3. Step 3: Cross multiply
    213,169.60x = 319,754.41 × 63,412.04
  4. Step 4: Simplify right side
    213,169.60x = 20,276,277,838.32
  5. Step 5: Solve for x
    x = 20,276,277,838.32/213,169.60
  6. Step 6: Final answer
    x = 95,118.06

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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.