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Finding the Fourth Proportional to 295,379.04, 407,568.56 and 168,047.20

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Solution

The fourth proportional to 295,379.04, 407,568.56 and 168,047.20 is: 231,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,379.04 : 407,568.56 = 168,047.20 : x
  2. Step 2: Convert to fraction form
    295,379.04/407,568.56 = 168,047.20/x
  3. Step 3: Cross multiply
    295,379.04x = 407,568.56 × 168,047.20
  4. Step 4: Simplify right side
    295,379.04x = 68,490,755,316.03
  5. Step 5: Solve for x
    x = 68,490,755,316.03/295,379.04
  6. Step 6: Final answer
    x = 231,874.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.