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Finding the Fourth Proportional to 230,836.60, 346,254.90 and 106,420.60

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Solution

The fourth proportional to 230,836.60, 346,254.90 and 106,420.60 is: 159,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,836.60 : 346,254.90 = 106,420.60 : x
  2. Step 2: Convert to fraction form
    230,836.60/346,254.90 = 106,420.60/x
  3. Step 3: Cross multiply
    230,836.60x = 346,254.90 × 106,420.60
  4. Step 4: Simplify right side
    230,836.60x = 36,848,654,210.94
  5. Step 5: Solve for x
    x = 36,848,654,210.94/230,836.60
  6. Step 6: Final answer
    x = 159,630.90

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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.