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Finding the Fourth Proportional to 117,172.19, 175,788.25 and 34,066.19

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Solution

The fourth proportional to 117,172.19, 175,788.25 and 34,066.19 is: 51,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,172.19 : 175,788.25 = 34,066.19 : x
  2. Step 2: Convert to fraction form
    117,172.19/175,788.25 = 34,066.19/x
  3. Step 3: Cross multiply
    117,172.19x = 175,788.25 × 34,066.19
  4. Step 4: Simplify right side
    117,172.19x = 5,988,435,924.27
  5. Step 5: Solve for x
    x = 5,988,435,924.27/117,172.19
  6. Step 6: Final answer
    x = 51,108.00

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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.