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Finding the Fourth Proportional to 63,130.40, 94,772.40 and 47,424.80

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Solution

The fourth proportional to 63,130.40, 94,772.40 and 47,424.80 is: 71,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,130.40 : 94,772.40 = 47,424.80 : x
  2. Step 2: Convert to fraction form
    63,130.40/94,772.40 = 47,424.80/x
  3. Step 3: Cross multiply
    63,130.40x = 94,772.40 × 47,424.80
  4. Step 4: Simplify right side
    63,130.40x = 4,494,562,115.52
  5. Step 5: Solve for x
    x = 4,494,562,115.52/63,130.40
  6. Step 6: Final answer
    x = 71,194.89

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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.