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Finding the Fourth Proportional to 136,461.60, 204,692.40 and 124,214.40

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Solution

The fourth proportional to 136,461.60, 204,692.40 and 124,214.40 is: 186,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,461.60 : 204,692.40 = 124,214.40 : x
  2. Step 2: Convert to fraction form
    136,461.60/204,692.40 = 124,214.40/x
  3. Step 3: Cross multiply
    136,461.60x = 204,692.40 × 124,214.40
  4. Step 4: Simplify right side
    136,461.60x = 25,425,743,650.56
  5. Step 5: Solve for x
    x = 25,425,743,650.56/136,461.60
  6. Step 6: Final answer
    x = 186,321.60

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1.5x scale

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.