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Finding the Fourth Proportional to 250,084.80, 374,872.05 and 123,530.40

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Solution

The fourth proportional to 250,084.80, 374,872.05 and 123,530.40 is: 185,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,084.80 : 374,872.05 = 123,530.40 : x
  2. Step 2: Convert to fraction form
    250,084.80/374,872.05 = 123,530.40/x
  3. Step 3: Cross multiply
    250,084.80x = 374,872.05 × 123,530.40
  4. Step 4: Simplify right side
    250,084.80x = 46,308,094,285.32
  5. Step 5: Solve for x
    x = 46,308,094,285.32/250,084.80
  6. Step 6: Final answer
    x = 185,169.57

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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.