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Finding the Fourth Proportional to 231,152.40, 346,793.40 and 112,827.60

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Solution

The fourth proportional to 231,152.40, 346,793.40 and 112,827.60 is: 169,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,152.40 : 346,793.40 = 112,827.60 : x
  2. Step 2: Convert to fraction form
    231,152.40/346,793.40 = 112,827.60/x
  3. Step 3: Cross multiply
    231,152.40x = 346,793.40 × 112,827.60
  4. Step 4: Simplify right side
    231,152.40x = 39,127,867,017.84
  5. Step 5: Solve for x
    x = 39,127,867,017.84/231,152.40
  6. Step 6: Final answer
    x = 169,273.03

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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.