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Finding the Fourth Proportional to 116,461.70, 174,692.55 and 107,908.10

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Solution

The fourth proportional to 116,461.70, 174,692.55 and 107,908.10 is: 161,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,461.70 : 174,692.55 = 107,908.10 : x
  2. Step 2: Convert to fraction form
    116,461.70/174,692.55 = 107,908.10/x
  3. Step 3: Cross multiply
    116,461.70x = 174,692.55 × 107,908.10
  4. Step 4: Simplify right side
    116,461.70x = 18,850,741,154.66
  5. Step 5: Solve for x
    x = 18,850,741,154.66/116,461.70
  6. Step 6: Final answer
    x = 161,862.15

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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.