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Finding the Fourth Proportional to 103,372.50, 142,654.06 and 58,050.51

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Solution

The fourth proportional to 103,372.50, 142,654.06 and 58,050.51 is: 80,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,372.50 : 142,654.06 = 58,050.51 : x
  2. Step 2: Convert to fraction form
    103,372.50/142,654.06 = 58,050.51/x
  3. Step 3: Cross multiply
    103,372.50x = 142,654.06 × 58,050.51
  4. Step 4: Simplify right side
    103,372.50x = 8,281,140,936.57
  5. Step 5: Solve for x
    x = 8,281,140,936.57/103,372.50
  6. Step 6: Final answer
    x = 80,109.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.