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Finding the Fourth Proportional to 117,172.97, 175,821.42 and 63,903.32

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Solution

The fourth proportional to 117,172.97, 175,821.42 and 63,903.32 is: 95,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,172.97 : 175,821.42 = 63,903.32 : x
  2. Step 2: Convert to fraction form
    117,172.97/175,821.42 = 63,903.32/x
  3. Step 3: Cross multiply
    117,172.97x = 175,821.42 × 63,903.32
  4. Step 4: Simplify right side
    117,172.97x = 11,235,572,465.11
  5. Step 5: Solve for x
    x = 11,235,572,465.11/117,172.97
  6. Step 6: Final answer
    x = 95,888.77

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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.