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Finding the Fourth Proportional to 169,186.88, 253,809.60 and 56,878.08

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Solution

The fourth proportional to 169,186.88, 253,809.60 and 56,878.08 is: 85,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,186.88 : 253,809.60 = 56,878.08 : x
  2. Step 2: Convert to fraction form
    169,186.88/253,809.60 = 56,878.08/x
  3. Step 3: Cross multiply
    169,186.88x = 253,809.60 × 56,878.08
  4. Step 4: Simplify right side
    169,186.88x = 14,436,202,733.57
  5. Step 5: Solve for x
    x = 14,436,202,733.57/169,186.88
  6. Step 6: Final answer
    x = 85,326.96

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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.