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Finding the Fourth Proportional to 230,861.33, 318,593.62 and 127,495.20

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Solution

The fourth proportional to 230,861.33, 318,593.62 and 127,495.20 is: 175,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,861.33 : 318,593.62 = 127,495.20 : x
  2. Step 2: Convert to fraction form
    230,861.33/318,593.62 = 127,495.20/x
  3. Step 3: Cross multiply
    230,861.33x = 318,593.62 × 127,495.20
  4. Step 4: Simplify right side
    230,861.33x = 40,619,157,300.62
  5. Step 5: Solve for x
    x = 40,619,157,300.62/230,861.33
  6. Step 6: Final answer
    x = 175,946.13

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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.