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Finding the Fourth Proportional to 264,534.91, 365,062.53 and 143,676.29

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Solution

The fourth proportional to 264,534.91, 365,062.53 and 143,676.29 is: 198,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,534.91 : 365,062.53 = 143,676.29 : x
  2. Step 2: Convert to fraction form
    264,534.91/365,062.53 = 143,676.29/x
  3. Step 3: Cross multiply
    264,534.91x = 365,062.53 × 143,676.29
  4. Step 4: Simplify right side
    264,534.91x = 52,450,828,641.89
  5. Step 5: Solve for x
    x = 52,450,828,641.89/264,534.91
  6. Step 6: Final answer
    x = 198,275.64

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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.