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Finding the Fourth Proportional to 250,173.46, 374,620.80 and 137,730.07

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Solution

The fourth proportional to 250,173.46, 374,620.80 and 137,730.07 is: 206,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,173.46 : 374,620.80 = 137,730.07 : x
  2. Step 2: Convert to fraction form
    250,173.46/374,620.80 = 137,730.07/x
  3. Step 3: Cross multiply
    250,173.46x = 374,620.80 × 137,730.07
  4. Step 4: Simplify right side
    250,173.46x = 51,596,549,217.49
  5. Step 5: Solve for x
    x = 51,596,549,217.49/250,173.46
  6. Step 6: Final answer
    x = 206,243.10

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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.