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Finding the Fourth Proportional to 169,460.73, 253,790.31 and 147,152.94

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Solution

The fourth proportional to 169,460.73, 253,790.31 and 147,152.94 is: 220,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,460.73 : 253,790.31 = 147,152.94 : x
  2. Step 2: Convert to fraction form
    169,460.73/253,790.31 = 147,152.94/x
  3. Step 3: Cross multiply
    169,460.73x = 253,790.31 × 147,152.94
  4. Step 4: Simplify right side
    169,460.73x = 37,345,990,260.01
  5. Step 5: Solve for x
    x = 37,345,990,260.01/169,460.73
  6. Step 6: Final answer
    x = 220,381.38

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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.