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Finding the Fourth Proportional to 169,328.89, 253,994.88 and 73,248.17

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Solution

The fourth proportional to 169,328.89, 253,994.88 and 73,248.17 is: 109,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,328.89 : 253,994.88 = 73,248.17 : x
  2. Step 2: Convert to fraction form
    169,328.89/253,994.88 = 73,248.17/x
  3. Step 3: Cross multiply
    169,328.89x = 253,994.88 × 73,248.17
  4. Step 4: Simplify right side
    169,328.89x = 18,604,660,782.13
  5. Step 5: Solve for x
    x = 18,604,660,782.13/169,328.89
  6. Step 6: Final answer
    x = 109,872.93

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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.