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Finding the Fourth Proportional to 48,124.80, 72,239.04 and 34,335.36

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Solution

The fourth proportional to 48,124.80, 72,239.04 and 34,335.36 is: 51,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,124.80 : 72,239.04 = 34,335.36 : x
  2. Step 2: Convert to fraction form
    48,124.80/72,239.04 = 34,335.36/x
  3. Step 3: Cross multiply
    48,124.80x = 72,239.04 × 34,335.36
  4. Step 4: Simplify right side
    48,124.80x = 2,480,353,444.45
  5. Step 5: Solve for x
    x = 2,480,353,444.45/48,124.80
  6. Step 6: Final answer
    x = 51,540.03

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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.