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Finding the Fourth Proportional to 117,485.51, 176,170.38 and 42,594.41

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Solution

The fourth proportional to 117,485.51, 176,170.38 and 42,594.41 is: 63,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,485.51 : 176,170.38 = 42,594.41 : x
  2. Step 2: Convert to fraction form
    117,485.51/176,170.38 = 42,594.41/x
  3. Step 3: Cross multiply
    117,485.51x = 176,170.38 × 42,594.41
  4. Step 4: Simplify right side
    117,485.51x = 7,503,873,395.58
  5. Step 5: Solve for x
    x = 7,503,873,395.58/117,485.51
  6. Step 6: Final answer
    x = 63,870.63

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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.