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Finding the Fourth Proportional to 179,967.96, 248,357.66 and 99,397.54

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Solution

The fourth proportional to 179,967.96, 248,357.66 and 99,397.54 is: 137,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,967.96 : 248,357.66 = 99,397.54 : x
  2. Step 2: Convert to fraction form
    179,967.96/248,357.66 = 99,397.54/x
  3. Step 3: Cross multiply
    179,967.96x = 248,357.66 × 99,397.54
  4. Step 4: Simplify right side
    179,967.96x = 24,686,140,444.16
  5. Step 5: Solve for x
    x = 24,686,140,444.16/179,967.96
  6. Step 6: Final answer
    x = 137,169.64

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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.