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Finding the Fourth Proportional to 124,474.40, 186,711.60 and 41,368.40

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Solution

The fourth proportional to 124,474.40, 186,711.60 and 41,368.40 is: 62,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,474.40 : 186,711.60 = 41,368.40 : x
  2. Step 2: Convert to fraction form
    124,474.40/186,711.60 = 41,368.40/x
  3. Step 3: Cross multiply
    124,474.40x = 186,711.60 × 41,368.40
  4. Step 4: Simplify right side
    124,474.40x = 7,723,960,153.44
  5. Step 5: Solve for x
    x = 7,723,960,153.44/124,474.40
  6. Step 6: Final answer
    x = 62,052.60

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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.