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Finding the Fourth Proportional to 124,664, 187,005.74 and 41,558

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Solution

The fourth proportional to 124,664, 187,005.74 and 41,558 is: 62,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,664 : 187,005.74 = 41,558 : x
  2. Step 2: Convert to fraction form
    124,664/187,005.74 = 41,558/x
  3. Step 3: Cross multiply
    124,664x = 187,005.74 × 41,558
  4. Step 4: Simplify right side
    124,664x = 7,771,584,542.92
  5. Step 5: Solve for x
    x = 7,771,584,542.92/124,664
  6. Step 6: Final answer
    x = 62,340.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.