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Finding the Fourth Proportional to 162,790.60, 244,416.30 and 127,769.80

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Solution

The fourth proportional to 162,790.60, 244,416.30 and 127,769.80 is: 191,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,790.60 : 244,416.30 = 127,769.80 : x
  2. Step 2: Convert to fraction form
    162,790.60/244,416.30 = 127,769.80/x
  3. Step 3: Cross multiply
    162,790.60x = 244,416.30 × 127,769.80
  4. Step 4: Simplify right side
    162,790.60x = 31,229,021,767.74
  5. Step 5: Solve for x
    x = 31,229,021,767.74/162,790.60
  6. Step 6: Final answer
    x = 191,835.53

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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.