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Finding the Fourth Proportional to 235,697.67, 325,270.10 and 133,727.40

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Solution

The fourth proportional to 235,697.67, 325,270.10 and 133,727.40 is: 184,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,697.67 : 325,270.10 = 133,727.40 : x
  2. Step 2: Convert to fraction form
    235,697.67/325,270.10 = 133,727.40/x
  3. Step 3: Cross multiply
    235,697.67x = 325,270.10 × 133,727.40
  4. Step 4: Simplify right side
    235,697.67x = 43,497,524,102.10
  5. Step 5: Solve for x
    x = 43,497,524,102.10/235,697.67
  6. Step 6: Final answer
    x = 184,547.96

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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.