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Finding the Fourth Proportional to 163,405.35, 245,195.10 and 63,568.80

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Solution

The fourth proportional to 163,405.35, 245,195.10 and 63,568.80 is: 95,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,405.35 : 245,195.10 = 63,568.80 : x
  2. Step 2: Convert to fraction form
    163,405.35/245,195.10 = 63,568.80/x
  3. Step 3: Cross multiply
    163,405.35x = 245,195.10 × 63,568.80
  4. Step 4: Simplify right side
    163,405.35x = 15,586,758,272.88
  5. Step 5: Solve for x
    x = 15,586,758,272.88/163,405.35
  6. Step 6: Final answer
    x = 95,387.07

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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.