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Finding the Fourth Proportional to 119,630.90, 179,446.62 and 112,323.62

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Solution

The fourth proportional to 119,630.90, 179,446.62 and 112,323.62 is: 168,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,630.90 : 179,446.62 = 112,323.62 : x
  2. Step 2: Convert to fraction form
    119,630.90/179,446.62 = 112,323.62/x
  3. Step 3: Cross multiply
    119,630.90x = 179,446.62 × 112,323.62
  4. Step 4: Simplify right side
    119,630.90x = 20,156,093,955.16
  5. Step 5: Solve for x
    x = 20,156,093,955.16/119,630.90
  6. Step 6: Final answer
    x = 168,485.68

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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.