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Finding the Fourth Proportional to 124,541.50, 186,813.88 and 41,435.50

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Solution

The fourth proportional to 124,541.50, 186,813.88 and 41,435.50 is: 62,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,541.50 : 186,813.88 = 41,435.50 : x
  2. Step 2: Convert to fraction form
    124,541.50/186,813.88 = 41,435.50/x
  3. Step 3: Cross multiply
    124,541.50x = 186,813.88 × 41,435.50
  4. Step 4: Simplify right side
    124,541.50x = 7,740,726,524.74
  5. Step 5: Solve for x
    x = 7,740,726,524.74/124,541.50
  6. Step 6: Final answer
    x = 62,153.79

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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.