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Finding the Fourth Proportional to 150,319.96, 206,969.44 and 127,611.88

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Solution

The fourth proportional to 150,319.96, 206,969.44 and 127,611.88 is: 175,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,319.96 : 206,969.44 = 127,611.88 : x
  2. Step 2: Convert to fraction form
    150,319.96/206,969.44 = 127,611.88/x
  3. Step 3: Cross multiply
    150,319.96x = 206,969.44 × 127,611.88
  4. Step 4: Simplify right side
    150,319.96x = 26,411,757,668.04
  5. Step 5: Solve for x
    x = 26,411,757,668.04/150,319.96
  6. Step 6: Final answer
    x = 175,703.60

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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.