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Finding the Fourth Proportional to 235,744.56, 325,334.52 and 145,152.79

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Solution

The fourth proportional to 235,744.56, 325,334.52 and 145,152.79 is: 200,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,744.56 : 325,334.52 = 145,152.79 : x
  2. Step 2: Convert to fraction form
    235,744.56/325,334.52 = 145,152.79/x
  3. Step 3: Cross multiply
    235,744.56x = 325,334.52 × 145,152.79
  4. Step 4: Simplify right side
    235,744.56x = 47,223,213,123.66
  5. Step 5: Solve for x
    x = 47,223,213,123.66/235,744.56
  6. Step 6: Final answer
    x = 200,315.18

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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.