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Finding the Fourth Proportional to 346,873.80, 519,965.10 and 159,558.60

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Solution

The fourth proportional to 346,873.80, 519,965.10 and 159,558.60 is: 239,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,873.80 : 519,965.10 = 159,558.60 : x
  2. Step 2: Convert to fraction form
    346,873.80/519,965.10 = 159,558.60/x
  3. Step 3: Cross multiply
    346,873.80x = 519,965.10 × 159,558.60
  4. Step 4: Simplify right side
    346,873.80x = 82,964,903,404.86
  5. Step 5: Solve for x
    x = 82,964,903,404.86/346,873.80
  6. Step 6: Final answer
    x = 239,178.93

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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.