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Finding the Fourth Proportional to 234,998.76, 324,298.70 and 127,568.86

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Solution

The fourth proportional to 234,998.76, 324,298.70 and 127,568.86 is: 176,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,998.76 : 324,298.70 = 127,568.86 : x
  2. Step 2: Convert to fraction form
    234,998.76/324,298.70 = 127,568.86/x
  3. Step 3: Cross multiply
    234,998.76x = 324,298.70 × 127,568.86
  4. Step 4: Simplify right side
    234,998.76x = 41,370,415,458.48
  5. Step 5: Solve for x
    x = 41,370,415,458.48/234,998.76
  6. Step 6: Final answer
    x = 176,045.25

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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.