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Finding the Fourth Proportional to 235,318.83, 324,742.51 and 127,888.87

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Solution

The fourth proportional to 235,318.83, 324,742.51 and 127,888.87 is: 176,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,318.83 : 324,742.51 = 127,888.87 : x
  2. Step 2: Convert to fraction form
    235,318.83/324,742.51 = 127,888.87/x
  3. Step 3: Cross multiply
    235,318.83x = 324,742.51 × 127,888.87
  4. Step 4: Simplify right side
    235,318.83x = 41,530,953,137.00
  5. Step 5: Solve for x
    x = 41,530,953,137.00/235,318.83
  6. Step 6: Final answer
    x = 176,488.01

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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.