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Finding the Fourth Proportional to 125,835.84, 188,755.56 and 32,341.68

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Solution

The fourth proportional to 125,835.84, 188,755.56 and 32,341.68 is: 48,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,835.84 : 188,755.56 = 32,341.68 : x
  2. Step 2: Convert to fraction form
    125,835.84/188,755.56 = 32,341.68/x
  3. Step 3: Cross multiply
    125,835.84x = 188,755.56 × 32,341.68
  4. Step 4: Simplify right side
    125,835.84x = 6,104,671,919.74
  5. Step 5: Solve for x
    x = 6,104,671,919.74/125,835.84
  6. Step 6: Final answer
    x = 48,512.98

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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.