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Finding the Fourth Proportional to 235,353.70, 324,788.52 and 127,923.45

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Solution

The fourth proportional to 235,353.70, 324,788.52 and 127,923.45 is: 176,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,353.70 : 324,788.52 = 127,923.45 : x
  2. Step 2: Convert to fraction form
    235,353.70/324,788.52 = 127,923.45/x
  3. Step 3: Cross multiply
    235,353.70x = 324,788.52 × 127,923.45
  4. Step 4: Simplify right side
    235,353.70x = 41,548,067,998.79
  5. Step 5: Solve for x
    x = 41,548,067,998.79/235,353.70
  6. Step 6: Final answer
    x = 176,534.59

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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.