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Finding the Fourth Proportional to 163,602.05, 225,695.05 and 95,621.90

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Solution

The fourth proportional to 163,602.05, 225,695.05 and 95,621.90 is: 131,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.05 : 225,695.05 = 95,621.90 : x
  2. Step 2: Convert to fraction form
    163,602.05/225,695.05 = 95,621.90/x
  3. Step 3: Cross multiply
    163,602.05x = 225,695.05 × 95,621.90
  4. Step 4: Simplify right side
    163,602.05x = 21,581,388,134.07
  5. Step 5: Solve for x
    x = 21,581,388,134.07/163,602.05
  6. Step 6: Final answer
    x = 131,913.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.