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Finding the Fourth Proportional to 144,841.80, 217,262.70 and 125,401.80

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Solution

The fourth proportional to 144,841.80, 217,262.70 and 125,401.80 is: 188,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,841.80 : 217,262.70 = 125,401.80 : x
  2. Step 2: Convert to fraction form
    144,841.80/217,262.70 = 125,401.80/x
  3. Step 3: Cross multiply
    144,841.80x = 217,262.70 × 125,401.80
  4. Step 4: Simplify right side
    144,841.80x = 27,245,133,652.86
  5. Step 5: Solve for x
    x = 27,245,133,652.86/144,841.80
  6. Step 6: Final answer
    x = 188,102.70

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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.