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Finding the Fourth Proportional to 119,897.20, 179,910.60 and 53,347.60

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Solution

The fourth proportional to 119,897.20, 179,910.60 and 53,347.60 is: 80,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,897.20 : 179,910.60 = 53,347.60 : x
  2. Step 2: Convert to fraction form
    119,897.20/179,910.60 = 53,347.60/x
  3. Step 3: Cross multiply
    119,897.20x = 179,910.60 × 53,347.60
  4. Step 4: Simplify right side
    119,897.20x = 9,597,798,724.56
  5. Step 5: Solve for x
    x = 9,597,798,724.56/119,897.20
  6. Step 6: Final answer
    x = 80,050.23

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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.