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Finding the Fourth Proportional to 174,429.80, 261,951.90 and 168,900.20

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Solution

The fourth proportional to 174,429.80, 261,951.90 and 168,900.20 is: 253,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,429.80 : 261,951.90 = 168,900.20 : x
  2. Step 2: Convert to fraction form
    174,429.80/261,951.90 = 168,900.20/x
  3. Step 3: Cross multiply
    174,429.80x = 261,951.90 × 168,900.20
  4. Step 4: Simplify right side
    174,429.80x = 44,243,728,300.38
  5. Step 5: Solve for x
    x = 44,243,728,300.38/174,429.80
  6. Step 6: Final answer
    x = 253,647.76

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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.