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Finding the Fourth Proportional to 108,477.76, 162,722.40 and 34,600

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Solution

The fourth proportional to 108,477.76, 162,722.40 and 34,600 is: 51,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,477.76 : 162,722.40 = 34,600 : x
  2. Step 2: Convert to fraction form
    108,477.76/162,722.40 = 34,600/x
  3. Step 3: Cross multiply
    108,477.76x = 162,722.40 × 34,600
  4. Step 4: Simplify right side
    108,477.76x = 5,630,195,040
  5. Step 5: Solve for x
    x = 5,630,195,040/108,477.76
  6. Step 6: Final answer
    x = 51,901.84

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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.