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Finding the Fourth Proportional to 219,011.92, 302,236.90 and 118,409.92

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Solution

The fourth proportional to 219,011.92, 302,236.90 and 118,409.92 is: 163,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,011.92 : 302,236.90 = 118,409.92 : x
  2. Step 2: Convert to fraction form
    219,011.92/302,236.90 = 118,409.92/x
  3. Step 3: Cross multiply
    219,011.92x = 302,236.90 × 118,409.92
  4. Step 4: Simplify right side
    219,011.92x = 35,787,846,098.43
  5. Step 5: Solve for x
    x = 35,787,846,098.43/219,011.92
  6. Step 6: Final answer
    x = 163,405.93

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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.