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Finding the Fourth Proportional to 208,024.80, 312,037.20 and 174,199.20

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Solution

The fourth proportional to 208,024.80, 312,037.20 and 174,199.20 is: 261,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,024.80 : 312,037.20 = 174,199.20 : x
  2. Step 2: Convert to fraction form
    208,024.80/312,037.20 = 174,199.20/x
  3. Step 3: Cross multiply
    208,024.80x = 312,037.20 × 174,199.20
  4. Step 4: Simplify right side
    208,024.80x = 54,356,630,610.24
  5. Step 5: Solve for x
    x = 54,356,630,610.24/208,024.80
  6. Step 6: Final answer
    x = 261,298.80

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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.