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Finding the Fourth Proportional to 125,796.71, 188,688.90 and 46,904.77

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Solution

The fourth proportional to 125,796.71, 188,688.90 and 46,904.77 is: 70,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,796.71 : 188,688.90 = 46,904.77 : x
  2. Step 2: Convert to fraction form
    125,796.71/188,688.90 = 46,904.77/x
  3. Step 3: Cross multiply
    125,796.71x = 188,688.90 × 46,904.77
  4. Step 4: Simplify right side
    125,796.71x = 8,850,408,512.61
  5. Step 5: Solve for x
    x = 8,850,408,512.61/125,796.71
  6. Step 6: Final answer
    x = 70,354.85

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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.