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Finding the Fourth Proportional to 162,504.24, 243,726.48 and 73,736.40

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Solution

The fourth proportional to 162,504.24, 243,726.48 and 73,736.40 is: 110,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,504.24 : 243,726.48 = 73,736.40 : x
  2. Step 2: Convert to fraction form
    162,504.24/243,726.48 = 73,736.40/x
  3. Step 3: Cross multiply
    162,504.24x = 243,726.48 × 73,736.40
  4. Step 4: Simplify right side
    162,504.24x = 17,971,513,219.87
  5. Step 5: Solve for x
    x = 17,971,513,219.87/162,504.24
  6. Step 6: Final answer
    x = 110,591.04

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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.