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Finding the Fourth Proportional to 172,973.66, 238,698.24 and 101,401.35

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Solution

The fourth proportional to 172,973.66, 238,698.24 and 101,401.35 is: 139,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,973.66 : 238,698.24 = 101,401.35 : x
  2. Step 2: Convert to fraction form
    172,973.66/238,698.24 = 101,401.35/x
  3. Step 3: Cross multiply
    172,973.66x = 238,698.24 × 101,401.35
  4. Step 4: Simplify right side
    172,973.66x = 24,204,323,271.62
  5. Step 5: Solve for x
    x = 24,204,323,271.62/172,973.66
  6. Step 6: Final answer
    x = 139,930.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.