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Finding the Fourth Proportional to 169,018.40, 253,527.60 and 161,242.40

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Solution

The fourth proportional to 169,018.40, 253,527.60 and 161,242.40 is: 241,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,018.40 : 253,527.60 = 161,242.40 : x
  2. Step 2: Convert to fraction form
    169,018.40/253,527.60 = 161,242.40/x
  3. Step 3: Cross multiply
    169,018.40x = 253,527.60 × 161,242.40
  4. Step 4: Simplify right side
    169,018.40x = 40,879,398,690.24
  5. Step 5: Solve for x
    x = 40,879,398,690.24/169,018.40
  6. Step 6: Final answer
    x = 241,863.60

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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.