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Finding the Fourth Proportional to 117,804.03, 162,574.02 and 67,512.75

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Solution

The fourth proportional to 117,804.03, 162,574.02 and 67,512.75 is: 93,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,804.03 : 162,574.02 = 67,512.75 : x
  2. Step 2: Convert to fraction form
    117,804.03/162,574.02 = 67,512.75/x
  3. Step 3: Cross multiply
    117,804.03x = 162,574.02 × 67,512.75
  4. Step 4: Simplify right side
    117,804.03x = 10,975,819,168.76
  5. Step 5: Solve for x
    x = 10,975,819,168.76/117,804.03
  6. Step 6: Final answer
    x = 93,170.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.