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Finding the Fourth Proportional to 161,713.44, 242,570.16 and 43,382.16

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Solution

The fourth proportional to 161,713.44, 242,570.16 and 43,382.16 is: 65,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713.44 : 242,570.16 = 43,382.16 : x
  2. Step 2: Convert to fraction form
    161,713.44/242,570.16 = 43,382.16/x
  3. Step 3: Cross multiply
    161,713.44x = 242,570.16 × 43,382.16
  4. Step 4: Simplify right side
    161,713.44x = 10,523,217,492.35
  5. Step 5: Solve for x
    x = 10,523,217,492.35/161,713.44
  6. Step 6: Final answer
    x = 65,073.24

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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.