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Finding the Fourth Proportional to 162,323.75, 243,485.63 and 43,995.09

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Solution

The fourth proportional to 162,323.75, 243,485.63 and 43,995.09 is: 65,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,323.75 : 243,485.63 = 43,995.09 : x
  2. Step 2: Convert to fraction form
    162,323.75/243,485.63 = 43,995.09/x
  3. Step 3: Cross multiply
    162,323.75x = 243,485.63 × 43,995.09
  4. Step 4: Simplify right side
    162,323.75x = 10,712,172,255.09
  5. Step 5: Solve for x
    x = 10,712,172,255.09/162,323.75
  6. Step 6: Final answer
    x = 65,992.64

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Similar ratio
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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.