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Finding the Fourth Proportional to 169,758.85, 254,664.69 and 51,402.01

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Solution

The fourth proportional to 169,758.85, 254,664.69 and 51,402.01 is: 77,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,758.85 : 254,664.69 = 51,402.01 : x
  2. Step 2: Convert to fraction form
    169,758.85/254,664.69 = 51,402.01/x
  3. Step 3: Cross multiply
    169,758.85x = 254,664.69 × 51,402.01
  4. Step 4: Simplify right side
    169,758.85x = 13,090,276,942.03
  5. Step 5: Solve for x
    x = 13,090,276,942.03/169,758.85
  6. Step 6: Final answer
    x = 77,111.01

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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.