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Finding the Fourth Proportional to 160,112.48, 240,208.12 and 112,819.94

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Solution

The fourth proportional to 160,112.48, 240,208.12 and 112,819.94 is: 169,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,112.48 : 240,208.12 = 112,819.94 : x
  2. Step 2: Convert to fraction form
    160,112.48/240,208.12 = 112,819.94/x
  3. Step 3: Cross multiply
    160,112.48x = 240,208.12 × 112,819.94
  4. Step 4: Simplify right side
    160,112.48x = 27,100,265,685.91
  5. Step 5: Solve for x
    x = 27,100,265,685.91/160,112.48
  6. Step 6: Final answer
    x = 169,257.67

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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.