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Finding the Fourth Proportional to 270,611.65, 373,438.72 and 149,752.90

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Solution

The fourth proportional to 270,611.65, 373,438.72 and 149,752.90 is: 206,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,611.65 : 373,438.72 = 149,752.90 : x
  2. Step 2: Convert to fraction form
    270,611.65/373,438.72 = 149,752.90/x
  3. Step 3: Cross multiply
    270,611.65x = 373,438.72 × 149,752.90
  4. Step 4: Simplify right side
    270,611.65x = 55,923,531,946.28
  5. Step 5: Solve for x
    x = 55,923,531,946.28/270,611.65
  6. Step 6: Final answer
    x = 206,656.04

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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.