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Finding the Fourth Proportional to 119,752.16, 179,628.23 and 67,165.75

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Solution

The fourth proportional to 119,752.16, 179,628.23 and 67,165.75 is: 100,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,752.16 : 179,628.23 = 67,165.75 : x
  2. Step 2: Convert to fraction form
    119,752.16/179,628.23 = 67,165.75/x
  3. Step 3: Cross multiply
    119,752.16x = 179,628.23 × 67,165.75
  4. Step 4: Simplify right side
    119,752.16x = 12,064,863,890.98
  5. Step 5: Solve for x
    x = 12,064,863,890.98/119,752.16
  6. Step 6: Final answer
    x = 100,748.61

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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.