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Finding the Fourth Proportional to 310,854.60, 466,167.60 and 111,120.84

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Solution

The fourth proportional to 310,854.60, 466,167.60 and 111,120.84 is: 166,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,854.60 : 466,167.60 = 111,120.84 : x
  2. Step 2: Convert to fraction form
    310,854.60/466,167.60 = 111,120.84/x
  3. Step 3: Cross multiply
    310,854.60x = 466,167.60 × 111,120.84
  4. Step 4: Simplify right side
    310,854.60x = 51,800,935,292.78
  5. Step 5: Solve for x
    x = 51,800,935,292.78/310,854.60
  6. Step 6: Final answer
    x = 166,640.40

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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.