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Finding the Fourth Proportional to 235,350.51, 324,785.64 and 127,920.51

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Solution

The fourth proportional to 235,350.51, 324,785.64 and 127,920.51 is: 176,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,350.51 : 324,785.64 = 127,920.51 : x
  2. Step 2: Convert to fraction form
    235,350.51/324,785.64 = 127,920.51/x
  3. Step 3: Cross multiply
    235,350.51x = 324,785.64 × 127,920.51
  4. Step 4: Simplify right side
    235,350.51x = 41,546,744,709.48
  5. Step 5: Solve for x
    x = 41,546,744,709.48/235,350.51
  6. Step 6: Final answer
    x = 176,531.36

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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.