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Finding the Fourth Proportional to 192,330.63, 288,495.99 and 52,089.30

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Solution

The fourth proportional to 192,330.63, 288,495.99 and 52,089.30 is: 78,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,330.63 : 288,495.99 = 52,089.30 : x
  2. Step 2: Convert to fraction form
    192,330.63/288,495.99 = 52,089.30/x
  3. Step 3: Cross multiply
    192,330.63x = 288,495.99 × 52,089.30
  4. Step 4: Simplify right side
    192,330.63x = 15,027,554,171.91
  5. Step 5: Solve for x
    x = 15,027,554,171.91/192,330.63
  6. Step 6: Final answer
    x = 78,133.96

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1.5x scale

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.