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Finding the Fourth Proportional to 468,877.43, 703,316.16 and 113,889.06

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Solution

The fourth proportional to 468,877.43, 703,316.16 and 113,889.06 is: 170,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,877.43 : 703,316.16 = 113,889.06 : x
  2. Step 2: Convert to fraction form
    468,877.43/703,316.16 = 113,889.06/x
  3. Step 3: Cross multiply
    468,877.43x = 703,316.16 × 113,889.06
  4. Step 4: Simplify right side
    468,877.43x = 80,100,016,345.21
  5. Step 5: Solve for x
    x = 80,100,016,345.21/468,877.43
  6. Step 6: Final answer
    x = 170,833.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.