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Finding the Fourth Proportional to 361,495.36, 542,315.52 and 124,846.72

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Solution

The fourth proportional to 361,495.36, 542,315.52 and 124,846.72 is: 187,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,495.36 : 542,315.52 = 124,846.72 : x
  2. Step 2: Convert to fraction form
    361,495.36/542,315.52 = 124,846.72/x
  3. Step 3: Cross multiply
    361,495.36x = 542,315.52 × 124,846.72
  4. Step 4: Simplify right side
    361,495.36x = 67,706,313,877.09
  5. Step 5: Solve for x
    x = 67,706,313,877.09/361,495.36
  6. Step 6: Final answer
    x = 187,295.11

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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.