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Finding the Fourth Proportional to 234,903.50, 324,167.68 and 127,473.51

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Solution

The fourth proportional to 234,903.50, 324,167.68 and 127,473.51 is: 175,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,903.50 : 324,167.68 = 127,473.51 : x
  2. Step 2: Convert to fraction form
    234,903.50/324,167.68 = 127,473.51/x
  3. Step 3: Cross multiply
    234,903.50x = 324,167.68 × 127,473.51
  4. Step 4: Simplify right side
    234,903.50x = 41,322,790,941.87
  5. Step 5: Solve for x
    x = 41,322,790,941.87/234,903.50
  6. Step 6: Final answer
    x = 175,913.90

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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.