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Finding the Fourth Proportional to 235,030.80, 352,527.48 and 66,544.56

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Solution

The fourth proportional to 235,030.80, 352,527.48 and 66,544.56 is: 99,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,030.80 : 352,527.48 = 66,544.56 : x
  2. Step 2: Convert to fraction form
    235,030.80/352,527.48 = 66,544.56/x
  3. Step 3: Cross multiply
    235,030.80x = 352,527.48 × 66,544.56
  4. Step 4: Simplify right side
    235,030.80x = 23,458,786,044.51
  5. Step 5: Solve for x
    x = 23,458,786,044.51/235,030.80
  6. Step 6: Final answer
    x = 99,811.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.