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Finding the Fourth Proportional to 113,929, 170,888.34 and 35,039.80

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Solution

The fourth proportional to 113,929, 170,888.34 and 35,039.80 is: 52,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,929 : 170,888.34 = 35,039.80 : x
  2. Step 2: Convert to fraction form
    113,929/170,888.34 = 35,039.80/x
  3. Step 3: Cross multiply
    113,929x = 170,888.34 × 35,039.80
  4. Step 4: Simplify right side
    113,929x = 5,987,893,255.93
  5. Step 5: Solve for x
    x = 5,987,893,255.93/113,929
  6. Step 6: Final answer
    x = 52,558.11

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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.