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Finding the Fourth Proportional to 144,234.70, 216,327.07 and 39,029.06

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Solution

The fourth proportional to 144,234.70, 216,327.07 and 39,029.06 is: 58,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,234.70 : 216,327.07 = 39,029.06 : x
  2. Step 2: Convert to fraction form
    144,234.70/216,327.07 = 39,029.06/x
  3. Step 3: Cross multiply
    144,234.70x = 216,327.07 × 39,029.06
  4. Step 4: Simplify right side
    144,234.70x = 8,443,042,637.90
  5. Step 5: Solve for x
    x = 8,443,042,637.90/144,234.70
  6. Step 6: Final answer
    x = 58,536.83

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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.