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Finding the Fourth Proportional to 169,971.66, 254,994.54 and 56,124.45

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Solution

The fourth proportional to 169,971.66, 254,994.54 and 56,124.45 is: 84,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,971.66 : 254,994.54 = 56,124.45 : x
  2. Step 2: Convert to fraction form
    169,971.66/254,994.54 = 56,124.45/x
  3. Step 3: Cross multiply
    169,971.66x = 254,994.54 × 56,124.45
  4. Step 4: Simplify right side
    169,971.66x = 14,311,428,310.50
  5. Step 5: Solve for x
    x = 14,311,428,310.50/169,971.66
  6. Step 6: Final answer
    x = 84,198.91

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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.