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Finding the Fourth Proportional to 229,851.60, 344,874.60 and 145,676.40

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Solution

The fourth proportional to 229,851.60, 344,874.60 and 145,676.40 is: 218,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,851.60 : 344,874.60 = 145,676.40 : x
  2. Step 2: Convert to fraction form
    229,851.60/344,874.60 = 145,676.40/x
  3. Step 3: Cross multiply
    229,851.60x = 344,874.60 × 145,676.40
  4. Step 4: Simplify right side
    229,851.60x = 50,240,090,179.44
  5. Step 5: Solve for x
    x = 50,240,090,179.44/229,851.60
  6. Step 6: Final answer
    x = 218,576.20

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1.5x scale

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.