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Finding the Fourth Proportional to 169,784.51, 254,676.49 and 45,125.51

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Solution

The fourth proportional to 169,784.51, 254,676.49 and 45,125.51 is: 67,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,784.51 : 254,676.49 = 45,125.51 : x
  2. Step 2: Convert to fraction form
    169,784.51/254,676.49 = 45,125.51/x
  3. Step 3: Cross multiply
    169,784.51x = 254,676.49 × 45,125.51
  4. Step 4: Simplify right side
    169,784.51x = 11,492,405,110.06
  5. Step 5: Solve for x
    x = 11,492,405,110.06/169,784.51
  6. Step 6: Final answer
    x = 67,688.19

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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.