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Finding the Fourth Proportional to 250,573.50, 345,807.93 and 137,396.25

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Solution

The fourth proportional to 250,573.50, 345,807.93 and 137,396.25 is: 189,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,573.50 : 345,807.93 = 137,396.25 : x
  2. Step 2: Convert to fraction form
    250,573.50/345,807.93 = 137,396.25/x
  3. Step 3: Cross multiply
    250,573.50x = 345,807.93 × 137,396.25
  4. Step 4: Simplify right side
    250,573.50x = 47,512,713,317.50
  5. Step 5: Solve for x
    x = 47,512,713,317.50/250,573.50
  6. Step 6: Final answer
    x = 189,615.87

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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.