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Finding the Fourth Proportional to 234,894.80, 324,155.70 and 127,464.86

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Solution

The fourth proportional to 234,894.80, 324,155.70 and 127,464.86 is: 175,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,894.80 : 324,155.70 = 127,464.86 : x
  2. Step 2: Convert to fraction form
    234,894.80/324,155.70 = 127,464.86/x
  3. Step 3: Cross multiply
    234,894.80x = 324,155.70 × 127,464.86
  4. Step 4: Simplify right side
    234,894.80x = 41,318,461,729.09
  5. Step 5: Solve for x
    x = 41,318,461,729.09/234,894.80
  6. Step 6: Final answer
    x = 175,901.98

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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.