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Finding the Fourth Proportional to 124,956, 187,453.53 and 40,696.29

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Solution

The fourth proportional to 124,956, 187,453.53 and 40,696.29 is: 61,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,956 : 187,453.53 = 40,696.29 : x
  2. Step 2: Convert to fraction form
    124,956/187,453.53 = 40,696.29/x
  3. Step 3: Cross multiply
    124,956x = 187,453.53 × 40,696.29
  4. Step 4: Simplify right side
    124,956x = 7,628,663,218.40
  5. Step 5: Solve for x
    x = 7,628,663,218.40/124,956
  6. Step 6: Final answer
    x = 61,050.80

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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.