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Finding the Fourth Proportional to 169,002.99, 253,496.79 and 56,674.58

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Solution

The fourth proportional to 169,002.99, 253,496.79 and 56,674.58 is: 85,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,002.99 : 253,496.79 = 56,674.58 : x
  2. Step 2: Convert to fraction form
    169,002.99/253,496.79 = 56,674.58/x
  3. Step 3: Cross multiply
    169,002.99x = 253,496.79 × 56,674.58
  4. Step 4: Simplify right side
    169,002.99x = 14,366,822,837.11
  5. Step 5: Solve for x
    x = 14,366,822,837.11/169,002.99
  6. Step 6: Final answer
    x = 85,009.28

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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.