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Finding the Fourth Proportional to 169,740.93, 254,609.78 and 103,199.43

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Solution

The fourth proportional to 169,740.93, 254,609.78 and 103,199.43 is: 154,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,740.93 : 254,609.78 = 103,199.43 : x
  2. Step 2: Convert to fraction form
    169,740.93/254,609.78 = 103,199.43/x
  3. Step 3: Cross multiply
    169,740.93x = 254,609.78 × 103,199.43
  4. Step 4: Simplify right side
    169,740.93x = 26,275,583,652.43
  5. Step 5: Solve for x
    x = 26,275,583,652.43/169,740.93
  6. Step 6: Final answer
    x = 154,798.16

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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.