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Finding the Fourth Proportional to 125,796.21, 188,688.15 and 46,904.27

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Solution

The fourth proportional to 125,796.21, 188,688.15 and 46,904.27 is: 70,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,796.21 : 188,688.15 = 46,904.27 : x
  2. Step 2: Convert to fraction form
    125,796.21/188,688.15 = 46,904.27/x
  3. Step 3: Cross multiply
    125,796.21x = 188,688.15 × 46,904.27
  4. Step 4: Simplify right side
    125,796.21x = 8,850,278,989.96
  5. Step 5: Solve for x
    x = 8,850,278,989.96/125,796.21
  6. Step 6: Final answer
    x = 70,354.10

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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.