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Finding the Fourth Proportional to 136,937.60, 192,265.60 and 136,937.60

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Solution

The fourth proportional to 136,937.60, 192,265.60 and 136,937.60 is: 192,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,937.60 : 192,265.60 = 136,937.60 : x
  2. Step 2: Convert to fraction form
    136,937.60/192,265.60 = 136,937.60/x
  3. Step 3: Cross multiply
    136,937.60x = 192,265.60 × 136,937.60
  4. Step 4: Simplify right side
    136,937.60x = 26,328,389,826.56
  5. Step 5: Solve for x
    x = 26,328,389,826.56/136,937.60
  6. Step 6: Final answer
    x = 192,265.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.