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Finding the Fourth Proportional to 234,538.58, 323,664.18 and 127,108.28

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Solution

The fourth proportional to 234,538.58, 323,664.18 and 127,108.28 is: 175,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,538.58 : 323,664.18 = 127,108.28 : x
  2. Step 2: Convert to fraction form
    234,538.58/323,664.18 = 127,108.28/x
  3. Step 3: Cross multiply
    234,538.58x = 323,664.18 × 127,108.28
  4. Step 4: Simplify right side
    234,538.58x = 41,140,397,217.41
  5. Step 5: Solve for x
    x = 41,140,397,217.41/234,538.58
  6. Step 6: Final answer
    x = 175,409.94

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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.