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Finding the Fourth Proportional to 236,593.76, 326,494.32 and 129,166.88

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Solution

The fourth proportional to 236,593.76, 326,494.32 and 129,166.88 is: 178,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,593.76 : 326,494.32 = 129,166.88 : x
  2. Step 2: Convert to fraction form
    236,593.76/326,494.32 = 129,166.88/x
  3. Step 3: Cross multiply
    236,593.76x = 326,494.32 × 129,166.88
  4. Step 4: Simplify right side
    236,593.76x = 42,172,252,652.12
  5. Step 5: Solve for x
    x = 42,172,252,652.12/236,593.76
  6. Step 6: Final answer
    x = 178,247.53

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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.