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Finding the Fourth Proportional to 114,461.60, 171,692.40 and 108,010.40

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Solution

The fourth proportional to 114,461.60, 171,692.40 and 108,010.40 is: 162,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,461.60 : 171,692.40 = 108,010.40 : x
  2. Step 2: Convert to fraction form
    114,461.60/171,692.40 = 108,010.40/x
  3. Step 3: Cross multiply
    114,461.60x = 171,692.40 × 108,010.40
  4. Step 4: Simplify right side
    114,461.60x = 18,544,564,800.96
  5. Step 5: Solve for x
    x = 18,544,564,800.96/114,461.60
  6. Step 6: Final answer
    x = 162,015.60

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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.