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Finding the Fourth Proportional to 163,157.61, 244,418.38 and 91,862.32

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Solution

The fourth proportional to 163,157.61, 244,418.38 and 91,862.32 is: 137,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,157.61 : 244,418.38 = 91,862.32 : x
  2. Step 2: Convert to fraction form
    163,157.61/244,418.38 = 91,862.32/x
  3. Step 3: Cross multiply
    163,157.61x = 244,418.38 × 91,862.32
  4. Step 4: Simplify right side
    163,157.61x = 22,452,838,826.40
  5. Step 5: Solve for x
    x = 22,452,838,826.40/163,157.61
  6. Step 6: Final answer
    x = 137,614.42

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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.