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Finding the Fourth Proportional to 169,710.23, 254,578.10 and 51,391.10

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Solution

The fourth proportional to 169,710.23, 254,578.10 and 51,391.10 is: 77,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,710.23 : 254,578.10 = 51,391.10 : x
  2. Step 2: Convert to fraction form
    169,710.23/254,578.10 = 51,391.10/x
  3. Step 3: Cross multiply
    169,710.23x = 254,578.10 × 51,391.10
  4. Step 4: Simplify right side
    169,710.23x = 13,083,047,065.06
  5. Step 5: Solve for x
    x = 13,083,047,065.06/169,710.23
  6. Step 6: Final answer
    x = 77,090.51

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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.