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Finding the Fourth Proportional to 116,208, 175,102.56 and 103,476.96

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Solution

The fourth proportional to 116,208, 175,102.56 and 103,476.96 is: 155,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,208 : 175,102.56 = 103,476.96 : x
  2. Step 2: Convert to fraction form
    116,208/175,102.56 = 103,476.96/x
  3. Step 3: Cross multiply
    116,208x = 175,102.56 × 103,476.96
  4. Step 4: Simplify right side
    116,208x = 18,119,080,597.02
  5. Step 5: Solve for x
    x = 18,119,080,597.02/116,208
  6. Step 6: Final answer
    x = 155,919.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.