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Finding the Fourth Proportional to 124,460.53, 171,770.96 and 76,052.50

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Solution

The fourth proportional to 124,460.53, 171,770.96 and 76,052.50 is: 104,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,460.53 : 171,770.96 = 76,052.50 : x
  2. Step 2: Convert to fraction form
    124,460.53/171,770.96 = 76,052.50/x
  3. Step 3: Cross multiply
    124,460.53x = 171,770.96 × 76,052.50
  4. Step 4: Simplify right side
    124,460.53x = 13,063,609,696.28
  5. Step 5: Solve for x
    x = 13,063,609,696.28/124,460.53
  6. Step 6: Final answer
    x = 104,961.87

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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.