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Finding the Fourth Proportional to 108,871.34, 163,353.10 and 52,753.22

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Solution

The fourth proportional to 108,871.34, 163,353.10 and 52,753.22 is: 79,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.34 : 163,353.10 = 52,753.22 : x
  2. Step 2: Convert to fraction form
    108,871.34/163,353.10 = 52,753.22/x
  3. Step 3: Cross multiply
    108,871.34x = 163,353.10 × 52,753.22
  4. Step 4: Simplify right side
    108,871.34x = 8,617,401,758.22
  5. Step 5: Solve for x
    x = 8,617,401,758.22/108,871.34
  6. Step 6: Final answer
    x = 79,152.16

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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.