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Finding the Fourth Proportional to 235,698.16, 325,270.78 and 133,727.90

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Solution

The fourth proportional to 235,698.16, 325,270.78 and 133,727.90 is: 184,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,698.16 : 325,270.78 = 133,727.90 : x
  2. Step 2: Convert to fraction form
    235,698.16/325,270.78 = 133,727.90/x
  3. Step 3: Cross multiply
    235,698.16x = 325,270.78 × 133,727.90
  4. Step 4: Simplify right side
    235,698.16x = 43,497,778,340.76
  5. Step 5: Solve for x
    x = 43,497,778,340.76/235,698.16
  6. Step 6: Final answer
    x = 184,548.65

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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.