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Finding the Fourth Proportional to 242,863.67, 364,326.02 and 130,389.29

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Solution

The fourth proportional to 242,863.67, 364,326.02 and 130,389.29 is: 195,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,863.67 : 364,326.02 = 130,389.29 : x
  2. Step 2: Convert to fraction form
    242,863.67/364,326.02 = 130,389.29/x
  3. Step 3: Cross multiply
    242,863.67x = 364,326.02 × 130,389.29
  4. Step 4: Simplify right side
    242,863.67x = 47,504,208,602.75
  5. Step 5: Solve for x
    x = 47,504,208,602.75/242,863.67
  6. Step 6: Final answer
    x = 195,600.31

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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.