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Finding the Fourth Proportional to 176,003.60, 264,005.40 and 82,518.80

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Solution

The fourth proportional to 176,003.60, 264,005.40 and 82,518.80 is: 123,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,003.60 : 264,005.40 = 82,518.80 : x
  2. Step 2: Convert to fraction form
    176,003.60/264,005.40 = 82,518.80/x
  3. Step 3: Cross multiply
    176,003.60x = 264,005.40 × 82,518.80
  4. Step 4: Simplify right side
    176,003.60x = 21,785,408,801.52
  5. Step 5: Solve for x
    x = 21,785,408,801.52/176,003.60
  6. Step 6: Final answer
    x = 123,778.20

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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.