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Finding the Fourth Proportional to 167,712.64, 251,569.16 and 43,053.64

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Solution

The fourth proportional to 167,712.64, 251,569.16 and 43,053.64 is: 64,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,712.64 : 251,569.16 = 43,053.64 : x
  2. Step 2: Convert to fraction form
    167,712.64/251,569.16 = 43,053.64/x
  3. Step 3: Cross multiply
    167,712.64x = 251,569.16 × 43,053.64
  4. Step 4: Simplify right side
    167,712.64x = 10,830,968,049.74
  5. Step 5: Solve for x
    x = 10,830,968,049.74/167,712.64
  6. Step 6: Final answer
    x = 64,580.51

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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.