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Finding the Fourth Proportional to 125,885.84, 188,755.32 and 51,041.84

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Solution

The fourth proportional to 125,885.84, 188,755.32 and 51,041.84 is: 76,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,885.84 : 188,755.32 = 51,041.84 : x
  2. Step 2: Convert to fraction form
    125,885.84/188,755.32 = 51,041.84/x
  3. Step 3: Cross multiply
    125,885.84x = 188,755.32 × 51,041.84
  4. Step 4: Simplify right side
    125,885.84x = 9,634,418,842.59
  5. Step 5: Solve for x
    x = 9,634,418,842.59/125,885.84
  6. Step 6: Final answer
    x = 76,532.98

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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.