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Finding the Fourth Proportional to 162,144.94, 243,277.48 and 55,539.48

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Solution

The fourth proportional to 162,144.94, 243,277.48 and 55,539.48 is: 83,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,144.94 : 243,277.48 = 55,539.48 : x
  2. Step 2: Convert to fraction form
    162,144.94/243,277.48 = 55,539.48/x
  3. Step 3: Cross multiply
    162,144.94x = 243,277.48 × 55,539.48
  4. Step 4: Simplify right side
    162,144.94x = 13,511,504,734.91
  5. Step 5: Solve for x
    x = 13,511,504,734.91/162,144.94
  6. Step 6: Final answer
    x = 83,329.80

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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.