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Finding the Fourth Proportional to 102,524.80, 153,808.80 and 32,411.20

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Solution

The fourth proportional to 102,524.80, 153,808.80 and 32,411.20 is: 48,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,524.80 : 153,808.80 = 32,411.20 : x
  2. Step 2: Convert to fraction form
    102,524.80/153,808.80 = 32,411.20/x
  3. Step 3: Cross multiply
    102,524.80x = 153,808.80 × 32,411.20
  4. Step 4: Simplify right side
    102,524.80x = 4,985,127,778.56
  5. Step 5: Solve for x
    x = 4,985,127,778.56/102,524.80
  6. Step 6: Final answer
    x = 48,623.63

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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.