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Finding the Fourth Proportional to 231,030.60, 346,826.70 and 146,790.60

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Solution

The fourth proportional to 231,030.60, 346,826.70 and 146,790.60 is: 220,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,030.60 : 346,826.70 = 146,790.60 : x
  2. Step 2: Convert to fraction form
    231,030.60/346,826.70 = 146,790.60/x
  3. Step 3: Cross multiply
    231,030.60x = 346,826.70 × 146,790.60
  4. Step 4: Simplify right side
    231,030.60x = 50,910,899,389.02
  5. Step 5: Solve for x
    x = 50,910,899,389.02/231,030.60
  6. Step 6: Final answer
    x = 220,364.31

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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.