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Finding the Fourth Proportional to 243,496.68, 365,219.01 and 115,382.04

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Solution

The fourth proportional to 243,496.68, 365,219.01 and 115,382.04 is: 173,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,496.68 : 365,219.01 = 115,382.04 : x
  2. Step 2: Convert to fraction form
    243,496.68/365,219.01 = 115,382.04/x
  3. Step 3: Cross multiply
    243,496.68x = 365,219.01 × 115,382.04
  4. Step 4: Simplify right side
    243,496.68x = 42,139,714,420.58
  5. Step 5: Solve for x
    x = 42,139,714,420.58/243,496.68
  6. Step 6: Final answer
    x = 173,060.74

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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.