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Finding the Fourth Proportional to 235,711.76, 325,289.46 and 133,741.46

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Solution

The fourth proportional to 235,711.76, 325,289.46 and 133,741.46 is: 184,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,711.76 : 325,289.46 = 133,741.46 : x
  2. Step 2: Convert to fraction form
    235,711.76/325,289.46 = 133,741.46/x
  3. Step 3: Cross multiply
    235,711.76x = 325,289.46 × 133,741.46
  4. Step 4: Simplify right side
    235,711.76x = 43,504,687,303.01
  5. Step 5: Solve for x
    x = 43,504,687,303.01/235,711.76
  6. Step 6: Final answer
    x = 184,567.32

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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.