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Finding the Fourth Proportional to 235,710.76, 325,288.08 and 133,740.46

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Solution

The fourth proportional to 235,710.76, 325,288.08 and 133,740.46 is: 184,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,710.76 : 325,288.08 = 133,740.46 : x
  2. Step 2: Convert to fraction form
    235,710.76/325,288.08 = 133,740.46/x
  3. Step 3: Cross multiply
    235,710.76x = 325,288.08 × 133,740.46
  4. Step 4: Simplify right side
    235,710.76x = 43,504,177,451.72
  5. Step 5: Solve for x
    x = 43,504,177,451.72/235,710.76
  6. Step 6: Final answer
    x = 184,565.94

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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.