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Finding the Fourth Proportional to 169,313.42, 253,949.38 and 98,274.77

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Solution

The fourth proportional to 169,313.42, 253,949.38 and 98,274.77 is: 147,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,313.42 : 253,949.38 = 98,274.77 : x
  2. Step 2: Convert to fraction form
    169,313.42/253,949.38 = 98,274.77/x
  3. Step 3: Cross multiply
    169,313.42x = 253,949.38 × 98,274.77
  4. Step 4: Simplify right side
    169,313.42x = 24,956,816,348.02
  5. Step 5: Solve for x
    x = 24,956,816,348.02/169,313.42
  6. Step 6: Final answer
    x = 147,400.11

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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.