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Finding the Fourth Proportional to 163,995.71, 245,782.35 and 79,592.53

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Solution

The fourth proportional to 163,995.71, 245,782.35 and 79,592.53 is: 119,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,995.71 : 245,782.35 = 79,592.53 : x
  2. Step 2: Convert to fraction form
    163,995.71/245,782.35 = 79,592.53/x
  3. Step 3: Cross multiply
    163,995.71x = 245,782.35 × 79,592.53
  4. Step 4: Simplify right side
    163,995.71x = 19,562,438,451.39
  5. Step 5: Solve for x
    x = 19,562,438,451.39/163,995.71
  6. Step 6: Final answer
    x = 119,286.29

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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.