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Finding the Fourth Proportional to 169,446.66, 253,992.66 and 57,088.05

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Solution

The fourth proportional to 169,446.66, 253,992.66 and 57,088.05 is: 85,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,446.66 : 253,992.66 = 57,088.05 : x
  2. Step 2: Convert to fraction form
    169,446.66/253,992.66 = 57,088.05/x
  3. Step 3: Cross multiply
    169,446.66x = 253,992.66 × 57,088.05
  4. Step 4: Simplify right side
    169,446.66x = 14,499,945,673.71
  5. Step 5: Solve for x
    x = 14,499,945,673.71/169,446.66
  6. Step 6: Final answer
    x = 85,572.33

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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.