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Finding the Fourth Proportional to 250,015.50, 345,022.30 and 135,294.13

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Solution

The fourth proportional to 250,015.50, 345,022.30 and 135,294.13 is: 186,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,015.50 : 345,022.30 = 135,294.13 : x
  2. Step 2: Convert to fraction form
    250,015.50/345,022.30 = 135,294.13/x
  3. Step 3: Cross multiply
    250,015.50x = 345,022.30 × 135,294.13
  4. Step 4: Simplify right side
    250,015.50x = 46,679,493,156.41
  5. Step 5: Solve for x
    x = 46,679,493,156.41/250,015.50
  6. Step 6: Final answer
    x = 186,706.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.