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Finding the Fourth Proportional to 243,132.54, 335,676.99 and 166,779.54

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Solution

The fourth proportional to 243,132.54, 335,676.99 and 166,779.54 is: 230,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,132.54 : 335,676.99 = 166,779.54 : x
  2. Step 2: Convert to fraction form
    243,132.54/335,676.99 = 166,779.54/x
  3. Step 3: Cross multiply
    243,132.54x = 335,676.99 × 166,779.54
  4. Step 4: Simplify right side
    243,132.54x = 55,984,053,980.78
  5. Step 5: Solve for x
    x = 55,984,053,980.78/243,132.54
  6. Step 6: Final answer
    x = 230,261.46

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1.5x scale

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.