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Finding the Fourth Proportional to 161,158.92, 241,655.34 and 72,336.33

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Solution

The fourth proportional to 161,158.92, 241,655.34 and 72,336.33 is: 108,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,158.92 : 241,655.34 = 72,336.33 : x
  2. Step 2: Convert to fraction form
    161,158.92/241,655.34 = 72,336.33/x
  3. Step 3: Cross multiply
    161,158.92x = 241,655.34 × 72,336.33
  4. Step 4: Simplify right side
    161,158.92x = 17,480,460,420.50
  5. Step 5: Solve for x
    x = 17,480,460,420.50/161,158.92
  6. Step 6: Final answer
    x = 108,467.22

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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.