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Finding the Fourth Proportional to 167,931.60, 252,035.10 and 166,619.40

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Solution

The fourth proportional to 167,931.60, 252,035.10 and 166,619.40 is: 250,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,931.60 : 252,035.10 = 166,619.40 : x
  2. Step 2: Convert to fraction form
    167,931.60/252,035.10 = 166,619.40/x
  3. Step 3: Cross multiply
    167,931.60x = 252,035.10 × 166,619.40
  4. Step 4: Simplify right side
    167,931.60x = 41,993,937,140.94
  5. Step 5: Solve for x
    x = 41,993,937,140.94/167,931.60
  6. Step 6: Final answer
    x = 250,065.72

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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.