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Finding the Fourth Proportional to 162,192.70, 243,295.67 and 55,649.92

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Solution

The fourth proportional to 162,192.70, 243,295.67 and 55,649.92 is: 83,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,192.70 : 243,295.67 = 55,649.92 : x
  2. Step 2: Convert to fraction form
    162,192.70/243,295.67 = 55,649.92/x
  3. Step 3: Cross multiply
    162,192.70x = 243,295.67 × 55,649.92
  4. Step 4: Simplify right side
    162,192.70x = 13,539,384,571.85
  5. Step 5: Solve for x
    x = 13,539,384,571.85/162,192.70
  6. Step 6: Final answer
    x = 83,477.15

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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.