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Finding the Fourth Proportional to 169,281.20, 253,954.99 and 62,665.98

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Solution

The fourth proportional to 169,281.20, 253,954.99 and 62,665.98 is: 94,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,281.20 : 253,954.99 = 62,665.98 : x
  2. Step 2: Convert to fraction form
    169,281.20/253,954.99 = 62,665.98/x
  3. Step 3: Cross multiply
    169,281.20x = 253,954.99 × 62,665.98
  4. Step 4: Simplify right side
    169,281.20x = 15,914,337,054.47
  5. Step 5: Solve for x
    x = 15,914,337,054.47/169,281.20
  6. Step 6: Final answer
    x = 94,011.25

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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.