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Finding the Fourth Proportional to 172,191.11, 258,291.53 and 47,532.11

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Solution

The fourth proportional to 172,191.11, 258,291.53 and 47,532.11 is: 71,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,191.11 : 258,291.53 = 47,532.11 : x
  2. Step 2: Convert to fraction form
    172,191.11/258,291.53 = 47,532.11/x
  3. Step 3: Cross multiply
    172,191.11x = 258,291.53 × 47,532.11
  4. Step 4: Simplify right side
    172,191.11x = 12,277,141,178.37
  5. Step 5: Solve for x
    x = 12,277,141,178.37/172,191.11
  6. Step 6: Final answer
    x = 71,299.51

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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.