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Finding the Fourth Proportional to 349,963.14, 525,028.14 and 113,305.89

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Solution

The fourth proportional to 349,963.14, 525,028.14 and 113,305.89 is: 169,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,963.14 : 525,028.14 = 113,305.89 : x
  2. Step 2: Convert to fraction form
    349,963.14/525,028.14 = 113,305.89/x
  3. Step 3: Cross multiply
    349,963.14x = 525,028.14 × 113,305.89
  4. Step 4: Simplify right side
    349,963.14x = 59,488,780,677.74
  5. Step 5: Solve for x
    x = 59,488,780,677.74/349,963.14
  6. Step 6: Final answer
    x = 169,985.85

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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.