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Finding the Fourth Proportional to 169,966.80, 254,840.76 and 146,281.56

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Solution

The fourth proportional to 169,966.80, 254,840.76 and 146,281.56 is: 219,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,966.80 : 254,840.76 = 146,281.56 : x
  2. Step 2: Convert to fraction form
    169,966.80/254,840.76 = 146,281.56/x
  3. Step 3: Cross multiply
    169,966.80x = 254,840.76 × 146,281.56
  4. Step 4: Simplify right side
    169,966.80x = 37,278,503,924.39
  5. Step 5: Solve for x
    x = 37,278,503,924.39/169,966.80
  6. Step 6: Final answer
    x = 219,328.15

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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.