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Finding the Fourth Proportional to 159,468.60, 238,914.90 and 92,854.20

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Solution

The fourth proportional to 159,468.60, 238,914.90 and 92,854.20 is: 139,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,468.60 : 238,914.90 = 92,854.20 : x
  2. Step 2: Convert to fraction form
    159,468.60/238,914.90 = 92,854.20/x
  3. Step 3: Cross multiply
    159,468.60x = 238,914.90 × 92,854.20
  4. Step 4: Simplify right side
    159,468.60x = 22,184,251,907.58
  5. Step 5: Solve for x
    x = 22,184,251,907.58/159,468.60
  6. Step 6: Final answer
    x = 139,113.61

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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.