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Finding the Fourth Proportional to 116,521.80, 174,815.10 and 49,993.80

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Solution

The fourth proportional to 116,521.80, 174,815.10 and 49,993.80 is: 75,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,521.80 : 174,815.10 = 49,993.80 : x
  2. Step 2: Convert to fraction form
    116,521.80/174,815.10 = 49,993.80/x
  3. Step 3: Cross multiply
    116,521.80x = 174,815.10 × 49,993.80
  4. Step 4: Simplify right side
    116,521.80x = 8,739,671,146.38
  5. Step 5: Solve for x
    x = 8,739,671,146.38/116,521.80
  6. Step 6: Final answer
    x = 75,004.60

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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.