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Finding the Fourth Proportional to 151,797.92, 209,495.98 and 88,131.92

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Solution

The fourth proportional to 151,797.92, 209,495.98 and 88,131.92 is: 121,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,797.92 : 209,495.98 = 88,131.92 : x
  2. Step 2: Convert to fraction form
    151,797.92/209,495.98 = 88,131.92/x
  3. Step 3: Cross multiply
    151,797.92x = 209,495.98 × 88,131.92
  4. Step 4: Simplify right side
    151,797.92x = 18,463,282,949.68
  5. Step 5: Solve for x
    x = 18,463,282,949.68/151,797.92
  6. Step 6: Final answer
    x = 121,630.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.